diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/10.png b/NextStep-1/NextStep-1/cn/Part1/ADD/10.png
new file mode 100644
index 0000000000000000000000000000000000000000..6508fcefdf608cb4fdc464fac5e2462de52c0d83
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/10.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef79b31b0dea87e13da507e2a0c7b7a6dd6a6856dbc0eae0c2593e679da7be47
+size 383791
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/101.png b/NextStep-1/NextStep-1/cn/Part1/ADD/101.png
new file mode 100644
index 0000000000000000000000000000000000000000..59e51cde4ed27c4f0bed77051eb0d9ffe77d59a0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/101.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dd992abb056b7e177ed3ca2e64b2a1bd354e1631f943ffd34555d82c8d965c07
+size 313560
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/104.png b/NextStep-1/NextStep-1/cn/Part1/ADD/104.png
new file mode 100644
index 0000000000000000000000000000000000000000..49693bc9fb2cd3617be149d0390fba83f212ae51
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/104.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:700210a0d6b4e66ebaaf42ca2e3799e4f105f37c91bc97660544e0b4fbc3a9f8
+size 298307
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/105.png b/NextStep-1/NextStep-1/cn/Part1/ADD/105.png
new file mode 100644
index 0000000000000000000000000000000000000000..579384763a7732fc173d9d9936eacf009429adde
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/105.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:856bce7822f44b39f2b7e66c98bef5e2a8ef741a9837528cbc1861cc5e54ddf4
+size 263252
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/113.png b/NextStep-1/NextStep-1/cn/Part1/ADD/113.png
new file mode 100644
index 0000000000000000000000000000000000000000..a3cdf4c504187c2ddf264b7f76998ae5fcfc617d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/113.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4f35ea00bdbb0fbc3e4ec7272b74b6153e1b77d25641c9b4b1bd1e997cbadb25
+size 309168
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/114.png b/NextStep-1/NextStep-1/cn/Part1/ADD/114.png
new file mode 100644
index 0000000000000000000000000000000000000000..8b2f54b7ebf8ed80728dc73be7a3a9d4b1f82f16
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/114.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:26b459545e595f030e8d99f92b2bbec2225c07df6a0dbb4702fcc86b677ed21c
+size 354213
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/118.png b/NextStep-1/NextStep-1/cn/Part1/ADD/118.png
new file mode 100644
index 0000000000000000000000000000000000000000..1b339382e5c5545725c6d283415c88ee4bc74d7a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/118.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a57d186a91aa1be96b467d1039c861e1476153025b64eb45ba78c41ea57841e
+size 346558
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/124.png b/NextStep-1/NextStep-1/cn/Part1/ADD/124.png
new file mode 100644
index 0000000000000000000000000000000000000000..95d280bb31934c4f178d2e17ba3e92d78742b618
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/124.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5180491d883acbf3b4738410f64543dfe464b2d5b435a2c9b659754e054236c3
+size 407209
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/125.png b/NextStep-1/NextStep-1/cn/Part1/ADD/125.png
new file mode 100644
index 0000000000000000000000000000000000000000..318cd1969ee0c88650d94b25a7ce9c6f8fb5a85d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/125.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f3e38ae8e258a983eebe61c62e7990934af3f334fdc925f73ab85061609a6dea
+size 405182
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/25.png b/NextStep-1/NextStep-1/cn/Part1/ADD/25.png
new file mode 100644
index 0000000000000000000000000000000000000000..8aa644ad9a6f8ecfacaf2c3cacd1b42f953b01a5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/25.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6fa9ffc420c7c0a773341395cf4e62bbe1a43b5133d48328e0d912c028dba40
+size 350239
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/26.png b/NextStep-1/NextStep-1/cn/Part1/ADD/26.png
new file mode 100644
index 0000000000000000000000000000000000000000..1095d006f8f9523e7bf6c6edb962b3d59756ed4d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/26.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4460b4ebdc681bfb52b6cc44dc035b695a1d21a1b2840214ed558251dde9397a
+size 410403
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/27.png b/NextStep-1/NextStep-1/cn/Part1/ADD/27.png
new file mode 100644
index 0000000000000000000000000000000000000000..0e3e44518c59b29ca38af9fc9c85387ae6c4cda5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/27.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8d322288dd7c73d5023d85cc1bc8f9c707476fe0fee44e1905f8d662386c0c6f
+size 290516
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/29.png b/NextStep-1/NextStep-1/cn/Part1/ADD/29.png
new file mode 100644
index 0000000000000000000000000000000000000000..d241005bd3900058947738f7cef3121f8b9243bd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/29.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d2dd3819258640b3d7d1344cd027ad3554fbf52e748c702aaa1f0e30a1abb9f8
+size 363716
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/35.png b/NextStep-1/NextStep-1/cn/Part1/ADD/35.png
new file mode 100644
index 0000000000000000000000000000000000000000..c2ef6e0b6295939b618bca59b3cf27d82aed3aa7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/35.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f71c6223983d731f5ce03ad6cfbfebe74cbbc43a2f6cd9104d500d3f3cf68eee
+size 355661
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/38.png b/NextStep-1/NextStep-1/cn/Part1/ADD/38.png
new file mode 100644
index 0000000000000000000000000000000000000000..a7ea622d7352e7a6b3eb16efc00653be68a34877
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/38.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eda2f17eff90d1a6206beb3da6f78eb1850c0b81c9834bf8600bc77a125131fa
+size 340939
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/49.png b/NextStep-1/NextStep-1/cn/Part1/ADD/49.png
new file mode 100644
index 0000000000000000000000000000000000000000..f4e6c4ebc2102eb02647bd01f474247d3c547e00
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/49.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da0aab870790a7034eb809522239d65c71248ea8d23723cca2bc0ec68429ef96
+size 436953
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/52.png b/NextStep-1/NextStep-1/cn/Part1/ADD/52.png
new file mode 100644
index 0000000000000000000000000000000000000000..55698b44f2f22a559381c1214d44ff03b7909f68
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/52.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b582405ee995454ab9797ee6e5e59804f71c54a9791a71364f593810de1b906c
+size 511159
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/60.png b/NextStep-1/NextStep-1/cn/Part1/ADD/60.png
new file mode 100644
index 0000000000000000000000000000000000000000..07ab3beba63b3d7e04fe3032a1031f0f9b9b423a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/60.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3762ae6a3585354816e57a6d967395bc28db0b3a5cacce1448dc8c5d20297530
+size 374041
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/61.png b/NextStep-1/NextStep-1/cn/Part1/ADD/61.png
new file mode 100644
index 0000000000000000000000000000000000000000..8da0250b564bd7ec21e2bc301aac127146944630
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/61.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7724167a1967d32565c47bce3ffc2c3f12ec8cd7f8bd7d0fa607217bfe4b4d4f
+size 317286
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/67.png b/NextStep-1/NextStep-1/cn/Part1/ADD/67.png
new file mode 100644
index 0000000000000000000000000000000000000000..fb4a6033a259c9700b805e2fab9510b22e5769fb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/67.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b4826f5b5ce4db53343e8950042ac13a7978759a094c3e330732cfd77fa30daf
+size 348489
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/68.png b/NextStep-1/NextStep-1/cn/Part1/ADD/68.png
new file mode 100644
index 0000000000000000000000000000000000000000..00af8d84ce638d04aa31248652b147cb8f43fb9a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/68.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f351ceb1029c5970ab60d8c5569533fe0ae68889c66fb304f03de6de8d67cb20
+size 313128
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/70.png b/NextStep-1/NextStep-1/cn/Part1/ADD/70.png
new file mode 100644
index 0000000000000000000000000000000000000000..f05cc50518760ad38afd91a3497ba06a62fab5ff
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/70.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ad088373912511a1e293861312d0e8632adc9ea2bdbaa1d99712a4e2fd2bf6c2
+size 363886
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/71.png b/NextStep-1/NextStep-1/cn/Part1/ADD/71.png
new file mode 100644
index 0000000000000000000000000000000000000000..29134fbdb79c79b2ee0f46a1366fcb3b95fc9c6b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/71.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e754769945adc258536af0d0ae894e580f25a09430b6d81a60bec75a1c3bd2ff
+size 436780
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/82.png b/NextStep-1/NextStep-1/cn/Part1/ADD/82.png
new file mode 100644
index 0000000000000000000000000000000000000000..6adccad34b8d51ef5710a934ec3179d5183fd2fd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/82.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:892e6f1545555a3970fe6cbbe8f83348620e37bbdcd83832861caf6b21c956c5
+size 485985
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/84.png b/NextStep-1/NextStep-1/cn/Part1/ADD/84.png
new file mode 100644
index 0000000000000000000000000000000000000000..b372f8dfaf122f478d8bfd5ae33e2abdba011dc2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/84.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a467ddca040a30ac09b6514fe96a96325a7109107e53c77b62c1822b2fc920ad
+size 457096
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/85.png b/NextStep-1/NextStep-1/cn/Part1/ADD/85.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a61e0e633a318c093644da352edc86991411a3f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/85.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5456ff0bb5bb6307ea5ddbaaf5a0eb05fac7496c412c383be77444f9a7a6e6b5
+size 382951
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/88.png b/NextStep-1/NextStep-1/cn/Part1/ADD/88.png
new file mode 100644
index 0000000000000000000000000000000000000000..470d3ec05340772e775d7076cec7c4760bb73d01
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/88.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:110280631c7b8d21dc9e108400693b1e4fb60f73f084aa27cfdf7be24fcd9319
+size 330095
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/89.png b/NextStep-1/NextStep-1/cn/Part1/ADD/89.png
new file mode 100644
index 0000000000000000000000000000000000000000..ed85568fb929585b05d197d66e91bd92f0c7b030
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/89.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f51c884de4a8de545eefb34f7d180a471df0541cb4625c5aacaf24ef89be068d
+size 397414
diff --git a/NextStep-1/NextStep-1/cn/Part1/ADD/97.png b/NextStep-1/NextStep-1/cn/Part1/ADD/97.png
new file mode 100644
index 0000000000000000000000000000000000000000..69e28a2e16b1cd863be68372317c7ca7d9d786ac
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/ADD/97.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8bdfb87050446b87cd4741f8850bc3dd4a7ee6226d929f4d37ee8fff5f477fdc
+size 407688
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/773.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/773.png
new file mode 100644
index 0000000000000000000000000000000000000000..8c989ff7f6c37c2362566e9c2ff725fa10810117
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/773.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4b5ae345a78bf59354bb1129f48b40983e51d9df4012253e38f148bd776493b2
+size 451785
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/774.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/774.png
new file mode 100644
index 0000000000000000000000000000000000000000..7ad5483be69b20fddfbac12c325b6bb105196c92
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/774.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d4641c8b67031cf5fc3e3f7c37a788ecaebee71acb87c6d179b8cbeeb9658084
+size 438796
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/775.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/775.png
new file mode 100644
index 0000000000000000000000000000000000000000..ad76569d0d0dabcc52d43938a4263e6cc46dd833
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/775.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a6c6125ce71e13ac102fe448e3fe0c70de166e4d56dbafc750eb600eb99a8e5b
+size 399609
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/776.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/776.png
new file mode 100644
index 0000000000000000000000000000000000000000..e1f4d192449e066d3cd1dcb91f6e51b5f31b285c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/776.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fee607a290ebd8f4445e72498ba2815c5727cd33a4a8efa4479479d39c094fae
+size 380373
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/777.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/777.png
new file mode 100644
index 0000000000000000000000000000000000000000..b4103194f2a3b1e79842cc424092a54b6cad4410
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/777.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1b54d1a3542b1ae1c6df1562153518b55d8f267e318103dbe4f3528a7f3754e3
+size 383494
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/779.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/779.png
new file mode 100644
index 0000000000000000000000000000000000000000..34db308deab5d0db862062938ddc2db13199165b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/779.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:39d4e4be97a67411550d3f81c579930e74e31b05976ebe5f9cb3e9f7a08cc514
+size 346659
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/780.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/780.png
new file mode 100644
index 0000000000000000000000000000000000000000..486993d6f02cef3c3d7e64b85aef29f4f5622699
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/780.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3d3a70bc1418fc11815c698dcffbd4b2b331d1ffea19ee924dbd32f8e00fe32
+size 427395
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/781.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/781.png
new file mode 100644
index 0000000000000000000000000000000000000000..2272a2ada73421ec8985e1d7ba12d550044b0fc8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/781.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ceb8f18e44ec3ac7671e4d6ac4e4a38bce68e3c2890e792e52b1879ed41f06c9
+size 513025
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/782.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/782.png
new file mode 100644
index 0000000000000000000000000000000000000000..aae2902bebcb55d3be95c41854dfe18933d36940
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/782.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce6b5f3b8a42841047aa649b4ffec2e77bf94268748f2c42eecddd202815d28a
+size 458047
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/783.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/783.png
new file mode 100644
index 0000000000000000000000000000000000000000..1cd385aeb9c6fdcafb2373d1eb3048bda4cb2360
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/783.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:871c8d5538712e8cb3511fd9bd2775d935a55f3b25d753f87331fb4983ddb57f
+size 450021
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/784.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/784.png
new file mode 100644
index 0000000000000000000000000000000000000000..17123ebc4dfa791b1f02d7d161810f063a9dcf9b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/784.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5f86a5c732b117a6a4187aaf68387af270a08d5f27cdb18144993c8ede79b732
+size 371086
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/785.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/785.png
new file mode 100644
index 0000000000000000000000000000000000000000..a7902ad8516632e3b66604721d97a6db58f4c5b9
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/785.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:13fa3396fdc0752bf6808fafe96813770e7007a3df58b00d13a924b5a1e10b07
+size 410998
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/786.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/786.png
new file mode 100644
index 0000000000000000000000000000000000000000..c3d9e82f94e560df4b066ba2edd6bb08a563433e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/786.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:67ef0eb328578ed46f0c9e3962c4f8a2393cd6bce20a1cf7ab3d8b1eda165321
+size 389977
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/788.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/788.png
new file mode 100644
index 0000000000000000000000000000000000000000..b4b7dec3da0045bfbaf087f25977bcb31304c1e8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/788.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2249f95fc5ae39b79f24d8d468a7b0095790e8171666f5dab6c640597bfec17d
+size 405574
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/789.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/789.png
new file mode 100644
index 0000000000000000000000000000000000000000..6b8e4bbc7412961b584f3c116382bb7571697f5c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/789.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:018a9fac88ed4c00dada257567a3086c56a30a9bb186c34532cbd9a63573f442
+size 431253
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/790.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/790.png
new file mode 100644
index 0000000000000000000000000000000000000000..468d92c3550fa285fe6d39e50bf2b7932ba690f1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/790.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:91bc6f55eee4fdcfa4ec8ba7501631371c70fe653a1e4a56190d2509f3147239
+size 437847
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/791.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/791.png
new file mode 100644
index 0000000000000000000000000000000000000000..f8f999c90fdd158ac7cc10fd16e0aa11f6fceda8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/791.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:241da8072a19d235541f99756ca2f2f039fd0efcc0649a0b188997279739c616
+size 354563
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/792.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/792.png
new file mode 100644
index 0000000000000000000000000000000000000000..9bbec77d0e610cac562add437e2f55ca8fd7d5ef
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/792.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fcaf56fcb64ced438076d18829644fa2284ba232ac2eb3e3824a21c722fa131c
+size 443394
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/793.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/793.png
new file mode 100644
index 0000000000000000000000000000000000000000..973c9b10c517c6eb3ffc5786562ae53088aa13c0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/793.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fee8dc424c7584eb5061ba11c2dc8156c76c9d7b3bed1071ce73776ef427c1a9
+size 423399
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/794.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/794.png
new file mode 100644
index 0000000000000000000000000000000000000000..995f7d354030829dbd30fe3cbc8b8bf293a7fbbc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/794.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:add4e79bf7e1c2747d710d5986aff50c28413c44ef7e9e21f60d92c10fee472c
+size 484208
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/795.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/795.png
new file mode 100644
index 0000000000000000000000000000000000000000..716ea99fbca71c0818e308f47fb756d191322efd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/795.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8c3d42abeb138e9130fa7e3116dffbdcd0cce0430463e11be0b0f543aba59a61
+size 411595
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/797.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/797.png
new file mode 100644
index 0000000000000000000000000000000000000000..ce86a2fa0a9150534f27f23f021356e757c3f580
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/797.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d6e896490c6fb3b8006b37108aa4cabc00bc257a8159e57087ccd4b738d5efa6
+size 426564
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/799.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/799.png
new file mode 100644
index 0000000000000000000000000000000000000000..007292d1a2e729ee0ecf5b845ebfab8689f9ff23
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/799.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:30db06d1a07f7d14539c113d993b6aeae9c635f62c660390a670933346b04143
+size 401496
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/800.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/800.png
new file mode 100644
index 0000000000000000000000000000000000000000..837567657aadc04724bbfdd45f0f22207856a355
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/800.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19f4ddf1c737e76121f3e9431b3a56974bc78146361740421d7cd79b27fb8391
+size 422036
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/801.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/801.png
new file mode 100644
index 0000000000000000000000000000000000000000..72e32b8a26a6709b7434cd74c379c0660000748d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/801.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b94ea71e99965a808b54946c63cb3b9db9d5b4101c0b9091027dc2139f7f42cb
+size 371954
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/802.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/802.png
new file mode 100644
index 0000000000000000000000000000000000000000..18e33ef5509dc1bc05a35f18debeef4d9d2d1c01
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/802.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f7874ab991e0723f12133b4c4f64b04c6405666a016b5c70ce8a404a2e600e63
+size 401728
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/803.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/803.png
new file mode 100644
index 0000000000000000000000000000000000000000..2397e839a946056ee00b6af2164f36519f4eda24
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/803.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3af02339df98738344a8a9764aeb0fd18fb8133df6df0757305af08afb00fda7
+size 413946
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/804.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/804.png
new file mode 100644
index 0000000000000000000000000000000000000000..2b616dec780071e57429a2c1da10d28242f9521f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/804.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:601f3753413f5f915536cc4c9b9852af74c0ed2a530cdcc07a03e30cbb7e4fd4
+size 307657
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/805.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/805.png
new file mode 100644
index 0000000000000000000000000000000000000000..22f3071189a627f172c70f11820a8b82395ec4f3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/805.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9c62132c2bb711069cdb3d51e0b9d96dada47708cf5fdb0fa38a108c0d2a1d09
+size 415831
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/806.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/806.png
new file mode 100644
index 0000000000000000000000000000000000000000..56f2beee4c09f1b5bd4a5cd286ff56304829b7cc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/806.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9b3d4b80dc43a67b9fe07ca2f14b753cef8328790b6fc9959b062af4f4570b94
+size 398575
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/807.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/807.png
new file mode 100644
index 0000000000000000000000000000000000000000..246044e9f77b4e2a36ed447b5a60f02b2f35b83f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/807.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:de72c3fac69bbaf9468f5736c619eef0b7ede7b49bf74c418722a192e90898b0
+size 382218
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/808.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/808.png
new file mode 100644
index 0000000000000000000000000000000000000000..2cbbf7ecd981705ab29498981c18e34380c16771
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/808.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:270efbfbe8195a935d11fc49ee82d491eca46896e83a5a6d78303fe04350e155
+size 406704
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/809.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/809.png
new file mode 100644
index 0000000000000000000000000000000000000000..0c40a2f9bcdcda9244f8a6ea5db3d9c1b7c2b14f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/809.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f1745379d4126215c8163dd42dc6c8cf41f37fbac0831df6147f16752d7f4d1b
+size 356057
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/810.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/810.png
new file mode 100644
index 0000000000000000000000000000000000000000..524217c9356539645dbc162a69672aaedaffe3c1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/810.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd992896408c902d0bd82f78bddacfdc6f4cbdaf9ecf51b1d0f2fa9a8d875434
+size 353864
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/811.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/811.png
new file mode 100644
index 0000000000000000000000000000000000000000..44c85265f58092d80f7a076c84f0116859cf182a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/811.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bed2d98d73f719cf4f19889d9b6c149fde23f15dd647bbb67f3d436b7b763af3
+size 457444
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/812.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/812.png
new file mode 100644
index 0000000000000000000000000000000000000000..713ffaba2b0e9f80183732015eca630ac4e31c5d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/812.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19754cf3236555e37e3718148f3b9d50477aadbc133b3be8c5449b444b281a97
+size 390555
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/813.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/813.png
new file mode 100644
index 0000000000000000000000000000000000000000..e06c603d5d2097812956f09d991064306ca43a0c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/813.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:edc52fc746dea52bfb000287db234322e0f424084744119e5492d4ad39f5f9b6
+size 425629
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/814.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/814.png
new file mode 100644
index 0000000000000000000000000000000000000000..c5706c5235f558efdce8fa08db17830b14631e38
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/814.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b86c43f089a2e6fb3e4b05e202670fa3c9aa502baed7fb1a64bdb14d00430fd0
+size 400103
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/816.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/816.png
new file mode 100644
index 0000000000000000000000000000000000000000..d38ec3c08705bd447d22e4e8eaa0197274299811
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/816.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eb6fffeb8f0ccf80cfa737b10bd1e86221602fc2d455ae804bd28d46bd2eadb9
+size 493082
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/818.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/818.png
new file mode 100644
index 0000000000000000000000000000000000000000..b6d42fdd816a274519f5d72cc216a35313a68152
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/818.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9086a6613a0ebf733364779b599d8eb2196c86960c3e3e9d14b5223a07606cb
+size 391020
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/821.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/821.png
new file mode 100644
index 0000000000000000000000000000000000000000..4a7bc6941e6f70e0238ab654fb1c3107eea5bdbf
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/821.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:34ba7b3043fb7903c49bfd0d0e0a5c24cb87584a8f5bf7b2e653362f9a1ac15f
+size 363619
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/822.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/822.png
new file mode 100644
index 0000000000000000000000000000000000000000..efe309f2958ced3107bd96925a7fcbf6f4f7d988
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/822.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d4f2e5d29308c631e8f44d434916468991ad00900175dee5a602bd15b67bbfe6
+size 371303
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/823.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/823.png
new file mode 100644
index 0000000000000000000000000000000000000000..37516bbb38ed445e276f3f46f557e44a511a2303
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/823.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:47ba9a638aa244c7e6a24175a095033f380bc78c0ecf0ca91d908e973b706e66
+size 407829
diff --git a/NextStep-1/NextStep-1/cn/Part1/Change_Material/826.png b/NextStep-1/NextStep-1/cn/Part1/Change_Material/826.png
new file mode 100644
index 0000000000000000000000000000000000000000..e4f56f314e1a4df1b322be0d76187c3a37b746e4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part1/Change_Material/826.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7e6215bcecf622d54517699231ca8e195627bdfad8fcfb234fe656660590c10e
+size 358822
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1227.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1227.png
new file mode 100644
index 0000000000000000000000000000000000000000..200431a979b75be57dafcc32a0e641d63aa1b243
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1227.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e08c1d5e3c4d582a55a3fe3a904c392f2e05f3c3c60e934af41b7a8990bda26e
+size 280453
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1228.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1228.png
new file mode 100644
index 0000000000000000000000000000000000000000..8dd67267b2663e93bc5a5d2d1e643f85e767c427
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1228.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0ba4e172a654ffdbd050d5c4503eceb9e71068ae4d8faea53ebdcf473c71ba26
+size 190970
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1229.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1229.png
new file mode 100644
index 0000000000000000000000000000000000000000..76c9e77e060e57bf94240f4ac5ef1245ac84ac5a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1229.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a4f84fcdb0dded29116acfa7137ed2477db672168247733ec27a8fca936b896
+size 315798
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1230.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1230.png
new file mode 100644
index 0000000000000000000000000000000000000000..14c464c12fe2d049e7f9037ac70b0ea01b9019bc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1230.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:648153bea05d8434b2c50f80bcae49b428dceed777caaea357ffabada24dd753
+size 363869
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1231.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1231.png
new file mode 100644
index 0000000000000000000000000000000000000000..94863dcabe167c35ef13f0c6b312da359dbbb54e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1231.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:816ea9246a950264b606d60df79719ade141496c50d320bd98cd2db0eaff592b
+size 310045
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1232.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1232.png
new file mode 100644
index 0000000000000000000000000000000000000000..6ac3b22abebdbc1aa8ea0c6960ee0f836b57d813
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1232.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80d54f548c22694c87f43c0eee465c6a14fb1a9222f7817c9212b743bc00f571
+size 326622
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1233.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1233.png
new file mode 100644
index 0000000000000000000000000000000000000000..00419864e1ae27266af4fb4407cbd63389e1ae5f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1233.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9444a1b7d43404416e05910243108705926c5dab39aa16014252e34d203087e8
+size 321800
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1234.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1234.png
new file mode 100644
index 0000000000000000000000000000000000000000..235e59929e2fe44d3243066487cc8f51b987c999
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1234.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5435124a50dfeb0760c62790adbde96669c590eb071c98e4b0cb72ec110f1cdb
+size 222498
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1235.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1235.png
new file mode 100644
index 0000000000000000000000000000000000000000..c52db3ac3b4d4e55239223206c5b6c6a64380bb3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1235.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b88b7337dd00ba1593f853ce555acf6b4b960646167bfa523b01932f069d30f7
+size 409655
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1236.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1236.png
new file mode 100644
index 0000000000000000000000000000000000000000..8e904fff373b1dd5a2d752616699b09599ef7da5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1236.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1b3b434d8ceb012810093279c6fea173f2e54c986c0a2344f6707f645f5448f8
+size 332687
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1237.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1237.png
new file mode 100644
index 0000000000000000000000000000000000000000..019dce4e88f41564eb782ad3110df19f5ed2f2bb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1237.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8d8100d18acbb08f8d68da4aa401d02f3767a728a5b6a0f84a9bbeffaf33d518
+size 346862
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1238.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1238.png
new file mode 100644
index 0000000000000000000000000000000000000000..b6db74d84ff45c3a5194eee72c323f32fb213a53
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1238.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5bc0b2c17213591a19b39df1688fff7fdd826d7c6652be39e0782aa32a3af0d0
+size 397895
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1239.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1239.png
new file mode 100644
index 0000000000000000000000000000000000000000..4576bcf89eaa841c009e5468ed07240e7efb5448
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1239.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2fde9e9296314b2d1847e008f5cca6ee619e674bcc8519e989c82130e935c364
+size 328119
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1240.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1240.png
new file mode 100644
index 0000000000000000000000000000000000000000..8fd332583edd94121b106f703747b3af28665b98
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1240.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3e42cc036320d5bc2009df60690a9b59f52d82bdd3adc15883fe97045127c032
+size 404160
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1241.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1241.png
new file mode 100644
index 0000000000000000000000000000000000000000..b95fb712e13c4fa581b4cae35025def2db3c07f4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1241.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a0d8c252eb6338ef600a27a5cefa2cee081173b1363248f4d81e7d971f53e41d
+size 463374
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1242.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1242.png
new file mode 100644
index 0000000000000000000000000000000000000000..4f8446153db5693f088357749507d4af7fe4e179
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1242.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d7f9085e0ffa259eb45d2100a9ff73db7cdf7d15abe1d06cb79e71cc67bf51d3
+size 463804
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1243.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1243.png
new file mode 100644
index 0000000000000000000000000000000000000000..1b3345e997ef925bf7022567b72b5ec824ab0b9e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1243.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:827f97a1ca9df3f2b0ddb4ed97f6c99b5a9bc084558c686ab2d918567b35dd13
+size 397910
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1244.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1244.png
new file mode 100644
index 0000000000000000000000000000000000000000..cf73e08726d1468da435415a5cece3b0bd8f26a1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1244.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6fee26a372c3d9834c36ba8e70b86e278b9c5b027170292dc01e2b607a6829b4
+size 389433
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1245.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1245.png
new file mode 100644
index 0000000000000000000000000000000000000000..d7b3b4d3dc40f5c2a38e3f351cfab48470606742
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1245.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3121a04360d69c8a89f717ddd90898289a3e58a79869e2defa5361e69febdbf7
+size 343226
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1246.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1246.png
new file mode 100644
index 0000000000000000000000000000000000000000..bee52cfbf388f16dde57520166230531b1c32a2d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1246.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:68e926514efb82cb21e7eee01b4cdec39d9f3f10e53b031aba6d9fce8aea78cc
+size 370053
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1247.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1247.png
new file mode 100644
index 0000000000000000000000000000000000000000..21652b9c436d3f3af875e7dd4a9dc739a799d94f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1247.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8874c499a985ff2cb6229cf6eaeee708115b2e7e0ade55eb990b962b13c1a69f
+size 402959
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1248.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1248.png
new file mode 100644
index 0000000000000000000000000000000000000000..22e074743cf60020d512c742c0d203cfa9cc34cd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1248.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1740570552041dfc79b016d7eee0645babf0874b5ff27c89865befe813f558ec
+size 408013
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1249.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1249.png
new file mode 100644
index 0000000000000000000000000000000000000000..ccf78dd335f1103da453efa9ccc5adbc6070b07e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1249.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d69cfef609ad037c503529b1af89ef176ee3c82283b899dd8325f4caf891cf2d
+size 276963
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1250.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1250.png
new file mode 100644
index 0000000000000000000000000000000000000000..e6ac9989e3dd5a8d494ce021090606f6e4e33016
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1250.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c2fa7b806d2fa2491dc4cdf3c502a1b1337bd12e4e82b156d6d5471e34710d04
+size 285433
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1252.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1252.png
new file mode 100644
index 0000000000000000000000000000000000000000..a2e6d0860e6db8b24288fb55e9648be4487ee903
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1252.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d84f9419f0ab25360f7f2ca3445bc7a7c537f2787e92feff7b2bdc83fbe4e4e4
+size 366424
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1253.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1253.png
new file mode 100644
index 0000000000000000000000000000000000000000..e9988cfdf0f8d8d8fc57f7ccc992e28262c46239
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1253.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed8370265ed80e0a036a82381a0f8020545f85fa643adc08e2292601d8352690
+size 402996
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1254.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1254.png
new file mode 100644
index 0000000000000000000000000000000000000000..9aeaef04b5280e076b0b3cba4b5a9d5b35b4f340
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1254.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9cc19d0497fc52096c8abbdc3dc431ff6c0e49c87ae7fbb3e1b25ab984d2c2ac
+size 233014
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1255.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1255.png
new file mode 100644
index 0000000000000000000000000000000000000000..b491d501850963b23f2ff7b9d2a04f3bea97d894
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1255.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:758e8a2f10fe395c017d5dc5057ca66e6bc2e6e2b1a1cf3a472201fe919611dd
+size 412381
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1258.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1258.png
new file mode 100644
index 0000000000000000000000000000000000000000..bcc4c7c3df7b8f2061aba764a4e460a096df4b22
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1258.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:85da02e382eaa673c07eb88458d48dc3575b80d40c0eda3bec0e23b42793a7a0
+size 401325
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1259.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1259.png
new file mode 100644
index 0000000000000000000000000000000000000000..6fe781a2c66e9a939ca1a257031d0c1e8ece5bb8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1259.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:17641aa3b6272bcc29bd0847d3343e0b03b9b70af998a845a60e86dcb967ab32
+size 353639
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1260.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1260.png
new file mode 100644
index 0000000000000000000000000000000000000000..e4fd92010ca6785f380cbd0298c42dc5a339134b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1260.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59c3c78d0d4d113aa60c530d4e92e12ee598c7265a88aa36426e3b020fef1c32
+size 380947
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1261.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1261.png
new file mode 100644
index 0000000000000000000000000000000000000000..cc67ea31eeab0f218a86fa4d260aaa83b7a65080
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1261.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:49e2de11b43b92541185b3237ac15e092d077430c7bbb0abc9232e8eeb582d03
+size 334535
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1262.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1262.png
new file mode 100644
index 0000000000000000000000000000000000000000..9e4ef94b06c6b16fa5fd97496128eaaec036b170
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1262.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0a610bb20934fc9ddc6b16c9b87c21b13f0c1a2ad0beb289be4f08ea24e50415
+size 401549
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1263.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1263.png
new file mode 100644
index 0000000000000000000000000000000000000000..2c64dae085d04561703261f36411de1e89e14b41
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1263.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:171a6131f6feb5fb6ae21e88759061a82557f07f86d75ddc613289d7c6b7dea2
+size 337486
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1264.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1264.png
new file mode 100644
index 0000000000000000000000000000000000000000..c4f8b0a29bac26429fdded81b18d587605b79a73
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1264.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6dd70b61fb567c14ef4ab33a2f2e226250b6243f4b6dee314331e3204598c1ed
+size 414393
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1265.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1265.png
new file mode 100644
index 0000000000000000000000000000000000000000..b67788e0f619669d68b9b44521af03567964e7ec
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1265.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:96c23a32f1c9053c0a18ad854f8170b4645b5f42974f573836b63f36c9f07f35
+size 380469
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1266.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1266.png
new file mode 100644
index 0000000000000000000000000000000000000000..da35d42b4db759480bc521f3e7753b16075c3fe4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1266.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f1f3cb0bd00e89f7fc180326402031eb953872cd6b7ec26ea242d8d6209ee78a
+size 256781
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1267.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1267.png
new file mode 100644
index 0000000000000000000000000000000000000000..be5a00d9d46e6e30919466f93dfaacd4eb9ad202
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1267.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:746e9ff1376187d68c1429349876902ed0ee6bdc1dcdff98e60f973b42d56871
+size 484246
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1268.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1268.png
new file mode 100644
index 0000000000000000000000000000000000000000..c5f2b3849467ecc7ea326e39c093088b46eae93d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1268.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d7110de8acb1ac2b261b85f2d7491afb2463c026c5f5603da8b2510e12dcd915
+size 469597
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1269.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1269.png
new file mode 100644
index 0000000000000000000000000000000000000000..a629a90968136bf54363b78fc9a5792fc7fbf92c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1269.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da57444cc7cc040ad8ede4e7d2eb4cfd7f7fb3c6d6e0648d636c683e305053db
+size 400517
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1270.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1270.png
new file mode 100644
index 0000000000000000000000000000000000000000..8b418c73a9be3cc23130d00ffa872fc9e50f5e19
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1270.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c56184fa22964decdcb3e57807fe68e6a5117d30935a330243b608e26d5e948
+size 424895
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1271.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1271.png
new file mode 100644
index 0000000000000000000000000000000000000000..39c58d1a6d56ff312025c13bea257c5b8134a697
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1271.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7014e900d6f612d7a9988b32c578d136b009b76c7ade090bb134bae87d4e7fb9
+size 390015
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1272.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1272.png
new file mode 100644
index 0000000000000000000000000000000000000000..0af6408958cc24cdabe46ad81d66d908b9d934eb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1272.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:75d88124439dc130b9a2f91a9abd726f5ffcd946d222be9c9cad3e227031df94
+size 330891
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1273.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1273.png
new file mode 100644
index 0000000000000000000000000000000000000000..b3c0270f3522edb4d75848626bd9ffdacda03b08
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1273.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:53c4e8755b458b1d92c9ed01cf82acd49fb74f885c2cec75ba9d605ad5568d9d
+size 361355
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1274.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1274.png
new file mode 100644
index 0000000000000000000000000000000000000000..cce82243e7fb91e0ee0b5e0906272b604763966d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1274.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9719d48beaea99f16be2a5d9a58a69a7a97ad2c2448aa7b4f42f635e8a1dd647
+size 400098
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1275.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1275.png
new file mode 100644
index 0000000000000000000000000000000000000000..3e6cd63f01a70a077d2d13e81dd4f055f038acf8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1275.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:489488d5dcaa7bfcfed5c979af12184911fb91b2cb99e125a833a39d8782d92e
+size 407031
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1276.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1276.png
new file mode 100644
index 0000000000000000000000000000000000000000..fcd1853b476b7356524932d4a5450c6a6cfe5dbb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1276.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b3808a7613a0827c1335e1223f1458ef0f883eb7aff45634623aad31cc3814b
+size 345843
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1277.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1277.png
new file mode 100644
index 0000000000000000000000000000000000000000..3ec73d40f389fadea7d92026ed71608e96ae69b1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1277.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2571661350092c97ad9589a4e5b546ca4e82bf4eec03cbb10f674f12747f0bac
+size 375215
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1279.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1279.png
new file mode 100644
index 0000000000000000000000000000000000000000..80c84cd63d2264d5ddefea2ef774b47adc045f0f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1279.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:25a4a25f502fe61ede7c853b682fdc2ff145d208bd5ab3dd1fd331cfc63afd25
+size 328249
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1280.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1280.png
new file mode 100644
index 0000000000000000000000000000000000000000..7d8c1d3c04320a6cc44ec51f7bc7602001a902b2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1280.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:31ca31777bda4856d96f3e29272d4a74aa09fa915113e83b2e5293c6d448c56d
+size 440974
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1281.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1281.png
new file mode 100644
index 0000000000000000000000000000000000000000..01b0d381dc2d6f2eb021d7fb42b5b8b0f2417750
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1281.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0d07192b72e8705785ff37cfb514d40b14e6a8838473bc7c73aa416fb05ff770
+size 310819
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1282.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1282.png
new file mode 100644
index 0000000000000000000000000000000000000000..1393da4167e6518fc5fc4e6aef4f11ec0d71d26d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1282.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6587dbbf69fb2143781a45571a3998ae63ec314dda69e8de3978059632f8a741
+size 418980
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1283.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1283.png
new file mode 100644
index 0000000000000000000000000000000000000000..7046e196757b05f80a2b3738958e7fea8f19bcec
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1283.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e10b8ac40be914ab96894c07e0e8700a67aabd64b7cc10563c7858a5fb325a8c
+size 438882
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1284.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1284.png
new file mode 100644
index 0000000000000000000000000000000000000000..1ee1bf22039b7a281df16657847226af5effc864
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1284.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:242ac638a11e48389eecab488250419011503ac5d6801ae9b9f413b25e2919d3
+size 435470
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1285.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1285.png
new file mode 100644
index 0000000000000000000000000000000000000000..0cf51f0aa219f599bd5b9de7cbe4da5bdc88485d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1285.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3b15e9a1a44ce545a33198f5e8dc3883fe004a9f60ded3d1dc393ee43f39a96d
+size 377330
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1286.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1286.png
new file mode 100644
index 0000000000000000000000000000000000000000..9aaed174c7eefb71320e3c1db0c3303e2236903d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1286.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f576213cfeefd73eed3e2ff9663191c6e1be97272e45f0d1a7f0c8be0ca8a177
+size 481973
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1287.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1287.png
new file mode 100644
index 0000000000000000000000000000000000000000..cca16a5c695c49594a9e36f7e6067e7a22cffd19
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1287.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:774520dd6c16c4146d3f1fdee7f7d53dc032ddafa3d77a0ec3178caa315b2b4b
+size 401364
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1288.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1288.png
new file mode 100644
index 0000000000000000000000000000000000000000..26f4bd5ccc520696254fb9eafcf19a5796c9bd60
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1288.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b47f809f16d5b393c7cb6bbbece3a95724c87bbde5016fc58a35a35477c398e8
+size 336105
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1289.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1289.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a7953129755963c19862e435db9d1cd1fadb7cb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1289.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8534cf4c4716f0fb0064c69752fd756b6e43b23edcc489925006b70dfe557492
+size 413901
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1290.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1290.png
new file mode 100644
index 0000000000000000000000000000000000000000..96b80fec5b11b70a8f8fe2437975e4ff6a8b0bf8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1290.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:938baf3cd45f03993109c5aad0ad5c413ee9e54e28579b7f48659e2b8bbe8357
+size 360219
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1291.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1291.png
new file mode 100644
index 0000000000000000000000000000000000000000..5f2c47aa5882efff41e57c782c6f335b63371b46
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1291.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cb2eacf86b1828d2f9309489cb2a0903f0613608c66d0bbca76cf779a5ab49ae
+size 347870
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1292.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1292.png
new file mode 100644
index 0000000000000000000000000000000000000000..e64122e11a82a3f6ceb2c10d19d2d37abfef8994
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1292.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:764d07f91316603f34b6e9e735b03449410378c4444ac797f71d582d4ac24dbe
+size 407044
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1293.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1293.png
new file mode 100644
index 0000000000000000000000000000000000000000..c1d04bf217f80c70dc4c0663308288cc0aec1202
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1293.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a73b486f5fb70411631dfd66964830670eb04d47c3d8a61abbbfb12c1f791f78
+size 398580
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1294.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1294.png
new file mode 100644
index 0000000000000000000000000000000000000000..fc836d16f203f6fdf9f77bf6090fffa118d8d6b7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1294.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5c17c8293be960debf934eef97ae084fbf1a32ba5325ec6d65ba1a80da34a268
+size 452627
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1295.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1295.png
new file mode 100644
index 0000000000000000000000000000000000000000..fb0f15f4f45c06c3014fe711189540f94243e615
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1295.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2609c6eeb4fe6834f7f86ac0801c936144da96cda9cee1974f698e67a616b8b1
+size 492865
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1296.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1296.png
new file mode 100644
index 0000000000000000000000000000000000000000..3afbd6ff7067759387e716bd12a331b718109c40
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1296.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:430d131057d069b9c4d7d02489c5a8266490aeee78ef83cd49c850446e6798d7
+size 282958
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1297.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1297.png
new file mode 100644
index 0000000000000000000000000000000000000000..f933e5cc649d22f875f3cbc2cb5e9232ee2ff48e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1297.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f7761a9233115ddf5ff200fd5561602be651840688c78c07637c9b83806dfb69
+size 344102
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1298.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1298.png
new file mode 100644
index 0000000000000000000000000000000000000000..dfcf018fce0515de6b0a2fde92a2a015cf1253f9
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1298.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d925bb06a4faaf1454896feb3b20925022360a1e149d3e4fa8a72e9c995441e4
+size 373720
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1299.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1299.png
new file mode 100644
index 0000000000000000000000000000000000000000..1f14a997e5b12de9e72be9cbd7a75280d56db834
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1299.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ac0261e310beb8cd1cc004d8741d89fd33f0a22ad4f0c4a4f9879c1065f7e166
+size 342975
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1300.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1300.png
new file mode 100644
index 0000000000000000000000000000000000000000..bca955306914dcdd2c82a41cbc6da8adf89a11ad
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1300.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e5458b894241298ad94bd5d0ba162ef842b7d60dcdf4db60bf8343a09c86d01
+size 373968
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1301.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1301.png
new file mode 100644
index 0000000000000000000000000000000000000000..48adacce0bcabbf4dc66a6e852723fb5391598d2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1301.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6ec9e0cc188f3a8c163a401b46d32dc95d2d652190ad1b025c4112ed923ede32
+size 443606
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1302.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1302.png
new file mode 100644
index 0000000000000000000000000000000000000000..ba94e1e056e41206dd512327ba1907bae2e5e066
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1302.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:41af03d178c30db18380ac24c7ed20e0332c0ff201591945d13f61f34801df67
+size 373290
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1303.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1303.png
new file mode 100644
index 0000000000000000000000000000000000000000..111028e978e9f50f94297999e3ec02df634e1649
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1303.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d7cffee66a4bd25fa74f2cdd29289d20560627b16b75192f5e0089af1e4ee79
+size 339757
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1304.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1304.png
new file mode 100644
index 0000000000000000000000000000000000000000..0321f644bbfaabd79d766afee712fca372683894
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1304.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:68d973704246bd986611517573683df205bb9ccb0a737b9323c8d64642cbab0a
+size 279571
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1305.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1305.png
new file mode 100644
index 0000000000000000000000000000000000000000..c3d3af1ebea16bf050d934511c478c4fc78da13d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1305.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44530b34fa2d0e39c92af2847efc1ab2fb9c47e3039a8c8eec28dc08824f68c9
+size 404939
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1306.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1306.png
new file mode 100644
index 0000000000000000000000000000000000000000..6f2b0f3bb16cfeaf83abadb8a0c3eabcc66ed4a4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1306.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5760e142bd69f62eb30ae8abfd0f32c59bf61e665be26ef499169b653ded5953
+size 346890
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1307.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1307.png
new file mode 100644
index 0000000000000000000000000000000000000000..fa7cf3eb9603d1e2ba942764780fe032c5cd1178
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1307.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7d0642580160474cc3108ebe971485b593e0573535be8ef49ce4f6f1f58831d0
+size 437211
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1308.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1308.png
new file mode 100644
index 0000000000000000000000000000000000000000..5596e469f4071070d35e28e61ccf924ee5a9e004
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/1308.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d51f6bc9e3c416aed20c15ea5b0744888f1fc0511dd55ca3ecfa232134b304eb
+size 471252
diff --git a/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/2.png b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/2.png
new file mode 100644
index 0000000000000000000000000000000000000000..47b4e2c08c7572ef4582fd3bf5553096e55b9449
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Casual_Aware/2.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ecefe6c8cef93dd9e767902d7abaca1546d8f34f914cc050f95940d9e2e45763
+size 384303
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1393.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1393.png
new file mode 100644
index 0000000000000000000000000000000000000000..4dfa6e4c94efbeac7b01380c66f613bfcf74fe83
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1393.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c882ef0530ba09386073bc816ff55915eb13aad1af5cc87f7e09d75fc79e4146
+size 448025
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1394.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1394.png
new file mode 100644
index 0000000000000000000000000000000000000000..c715f11f5652373eb550821701885db92e3d0a5a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1394.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d95ac4db6eff69b9d80c1c5e21736c2109a1a0f8b349eafefa150f777539842
+size 487691
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1395.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1395.png
new file mode 100644
index 0000000000000000000000000000000000000000..f06fc710fe6e359b05f92d26cfb1e1491a550679
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1395.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:54c573223c10a9c939839449dce0f5fdefca50bdf9f4679fa2f086b3c7c25d23
+size 404224
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1396.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1396.png
new file mode 100644
index 0000000000000000000000000000000000000000..2b532d226aa7cebf7282613d20dcc32c4370b600
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1396.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a3bb01236639d17b8140c401a0fb4dd1d6b269fba0f7295de4e77ac19fddb49
+size 322433
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1397.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1397.png
new file mode 100644
index 0000000000000000000000000000000000000000..5c319b9d994ea2ad18a87ceb77721cb51448e7ee
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1397.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be81ab193eec12b9d1fa97c3d6e07345924357048b008788564164a8f95092f7
+size 463504
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1398.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1398.png
new file mode 100644
index 0000000000000000000000000000000000000000..baf2db5e355b46481bc4d3acb1c02160f2dbd0fc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1398.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9213a98b7580a3d203e86ba20a8b2b58ad249712b1cabfdcf063c702b1bbeb3a
+size 384770
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1399.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1399.png
new file mode 100644
index 0000000000000000000000000000000000000000..c87a6369bd149771944a8e72d09f2ea719dd35ef
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1399.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8344adec595cb2951c386fc69b6f74ad29796e3dae0e8d2824ecfbecb071b0be
+size 442724
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1400.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1400.png
new file mode 100644
index 0000000000000000000000000000000000000000..4b4015364152897d6c7aa6583f2e19ffea3c3e7c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1400.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4646888a6ab09a89f424ea561df72399464353a3f6326a8306287fc08f00dab6
+size 329137
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1401.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1401.png
new file mode 100644
index 0000000000000000000000000000000000000000..e901fed5fcf16d38d136eb92c6b3ca193867cbcc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1401.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d74fe502517a172e57895e0154ff250cce86b6b62b84498d65a13833d25bac28
+size 483776
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1402.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1402.png
new file mode 100644
index 0000000000000000000000000000000000000000..8b78aa4943a9f4b8a3ee93184c27de21965e75aa
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1402.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d9ac424a09c2bd40739c23cda29626949308f98c14b0a23ac0e6228524a3ff1d
+size 319402
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1403.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1403.png
new file mode 100644
index 0000000000000000000000000000000000000000..c121d669ec22799f518d2614453003a2fb12bf40
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1403.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f2ccbcfaab4197f5751ec85ae9a79ab0d1984ddfc50b963af62895c27f94f23
+size 396266
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1404.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1404.png
new file mode 100644
index 0000000000000000000000000000000000000000..15647d906455f1d56839c302ebcd53f0797e5c6e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1404.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:42515724e31127fbf3175d44a93768c53410754552877a8919c36b11b0891f03
+size 380289
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1405.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1405.png
new file mode 100644
index 0000000000000000000000000000000000000000..5c7ef708fbbe734afc6325340c8624a5d3894500
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1405.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:984a3cbe9439b3e9a1dd092af4e72537e53990d905f8666d306d93600b4c60fb
+size 437853
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1406.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1406.png
new file mode 100644
index 0000000000000000000000000000000000000000..00868fa7bd0cb59318aaca730a9ab74740f9931a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1406.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52d6ea297358177af9e56254f5e10449738d3a01f60e460b4d6751efcade1b23
+size 458686
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1407.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1407.png
new file mode 100644
index 0000000000000000000000000000000000000000..cd7b732d7ed2150c033ad65fdec8bcbbae18b2d4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1407.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4c225205dd856cb01e93e4893d8cc394879d72eefb6eec8646224afde7e1aee0
+size 411150
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1408.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1408.png
new file mode 100644
index 0000000000000000000000000000000000000000..1e14ca2a5f94b497affd89463890a39a2b0d8019
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1408.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a5a7481ee6135bcd6ff363cd4ebc3f9b588858ac4acb4a3e9fa47f3b631662c9
+size 408633
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1409.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1409.png
new file mode 100644
index 0000000000000000000000000000000000000000..4a1a28448374e4e092cb2dbef9f35cfa59a32aed
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1409.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:92a35521e71c9a056bcf5d68d23ca72d03d6e2e15ee77cba9297e994b14f1872
+size 484463
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1410.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1410.png
new file mode 100644
index 0000000000000000000000000000000000000000..fbc4f498212ba50e1da4c5a0fa00cef49df163a5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1410.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d9bd1df9285de9849dbd9dbfa9c89779d63caa866614355508418680c9c3027c
+size 421899
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1411.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1411.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a19b5fbfb42c7bea0527024528e974d8281a0a9
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1411.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b4ffa3e0d779efd1f520ca2490766916ceceba667af335c1cc33776a05f6c949
+size 231417
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1412.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1412.png
new file mode 100644
index 0000000000000000000000000000000000000000..942a7ae810f3d779266069dfe95cad9946d5d5dc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1412.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:07fc5a99d64d9ed8b162cd5f73c7a93fea40bed49baad2cf1827098718c62ef2
+size 258211
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1413.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1413.png
new file mode 100644
index 0000000000000000000000000000000000000000..fce9817859083f58b128be1323907961347e06c2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1413.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:df20e6e8c808622b5d9a9d17d58166f41ce20c3d0d0ae74c479ef84e9607152f
+size 255961
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1414.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1414.png
new file mode 100644
index 0000000000000000000000000000000000000000..30ea3c54d0ec48a609b5932d3d4cddc47028b08f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1414.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8dba1bce10c1ad6b173b10e34ad9598b8a3fe6eef4dda519e653b8444c3ee5ef
+size 230780
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1415.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1415.png
new file mode 100644
index 0000000000000000000000000000000000000000..787e360dee9477a4c4eacc69e94426a3a4870c2f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1415.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7a209517167f3fc1adbe7c35ce48a69ac8a89dc459495e3269a8f59f59d045f6
+size 251072
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1416.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1416.png
new file mode 100644
index 0000000000000000000000000000000000000000..41bdc02a6fbd8b843756802c63938711a016ba08
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1416.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:85bc9d51c16e12962e99c1d323318afdce3bb9355307887b384538acd886d115
+size 226682
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1417.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1417.png
new file mode 100644
index 0000000000000000000000000000000000000000..16406b2c4d8f2ea560b4c78476f8408e6ef068c3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1417.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c15db5ecde1ff1193f9a0407d459e466206a6d8c7504237ba0c5ce571c555587
+size 264009
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1418.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1418.png
new file mode 100644
index 0000000000000000000000000000000000000000..30c5b29f3994023ea852b9e16421545230ec0992
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1418.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c5d6a5a7d9e90450e0e38753a316a9fe69acd9af904a411b79d8a836fab8250
+size 411885
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1420.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1420.png
new file mode 100644
index 0000000000000000000000000000000000000000..7826de53aba92a774b2501af440cdc97e313e67d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1420.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b82ed1f978027fb32666bb64de51c5dacc1b2ae3222cf6b29840a166617838db
+size 264884
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1421.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1421.png
new file mode 100644
index 0000000000000000000000000000000000000000..6a9bead3c3fb8cb3e1ea31626cd4431195f3123f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1421.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:df3be6b60f7647727903cbefa8dca1e88f782e8499dd722e8e54ab58a9b4943b
+size 328970
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1424.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1424.png
new file mode 100644
index 0000000000000000000000000000000000000000..4a8867fbb1c8e9a16f5bf8950d88513e450760b3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1424.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4452d84d0e98ee3dff438978a9aa6e7567e16da02b5f146644f8f1b1586c0fd6
+size 288452
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1425.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1425.png
new file mode 100644
index 0000000000000000000000000000000000000000..0615234637861dbda71157a73111e04cafa62b7e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1425.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9254f0b40cd3d90e304095c4fb8e299c5f1627d02ad7c523ae4f94cf5fadb1d0
+size 256332
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1426.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1426.png
new file mode 100644
index 0000000000000000000000000000000000000000..473a75bc81f71bef32dd27c516c4f2cc812af2c1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1426.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e32b9d4bcbb5a26234d090a56ef7f6304a5fbb886fb02e8940b2605b2dfc541
+size 226498
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1427.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1427.png
new file mode 100644
index 0000000000000000000000000000000000000000..7e3deb05bd13152726f30658b10f9a1e1518a5e0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1427.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:83a3f0c89addb65704a07010ed6f6dac0c0c4a4d43ecfa55ee33e90d92181e38
+size 267933
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1428.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1428.png
new file mode 100644
index 0000000000000000000000000000000000000000..e3ed7114ce0400492b7437739d8f4a98a6d85ec4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1428.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef0d308f075a03d83ae6577c86c39e9584a5c367880ca0519db71c499d26c7f5
+size 234430
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1429.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1429.png
new file mode 100644
index 0000000000000000000000000000000000000000..2285e3573ea8c66442b33c37ee6b0fa1676576c8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1429.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9bdafb7d646681be37a4187d720c5f436f13b94ed462f8968a27a7c2cc4561ee
+size 327455
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1430.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1430.png
new file mode 100644
index 0000000000000000000000000000000000000000..24b20a1a252eb792857b68f9ae589e2a3189e790
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1430.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2611d3291bbb4a4dbffa268598fedb224a486c86da5d0ed7f0f812a264fbaeb4
+size 294634
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1432.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1432.png
new file mode 100644
index 0000000000000000000000000000000000000000..f5775759d45c84f4b419871c6b53c4488c419d59
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1432.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1d66551cf8bc0ac5d74fceeb9a4ce81e3cdf810059af23786af3b8fa97618868
+size 343734
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1433.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1433.png
new file mode 100644
index 0000000000000000000000000000000000000000..f878f11144f218a810f4b0204575912c62e5cf55
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1433.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:434990f36e5ad57795a85b07eb1109354dfd12ed282ad5c2739ca4d14b9ac0e7
+size 357689
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1434.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1434.png
new file mode 100644
index 0000000000000000000000000000000000000000..3562e3f93613e9b18642e2823220bf52b287ef31
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1434.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:056ab8f0097b4a31fe2c2ed694f4b8fd1b18928c2df0bc9f4c780579fdcf5117
+size 277607
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1435.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1435.png
new file mode 100644
index 0000000000000000000000000000000000000000..0309e2e94e1cb7609f3d5ad29ee53f838c755426
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1435.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d45521b9014eaf34a92a9f3137cb3e264f719bf32fa54e88cbf42e239a805730
+size 277649
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1436.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1436.png
new file mode 100644
index 0000000000000000000000000000000000000000..9b0cc5f1ba89d3185cdc3d4e2d03d952f31a9a4b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1436.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5bd3d45ae581980522bcdc983f4a8602b86515e98b5ce92bf9f49a3647c32bd7
+size 246416
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1437.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1437.png
new file mode 100644
index 0000000000000000000000000000000000000000..c57d1697a1dce911b3f96e3ed15d06c1ff5922bb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1437.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e4ee7cc2e3d5f55ac38fbd72bcee0651dabf146be8a1fd161da12329ebfc5568
+size 314391
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1438.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1438.png
new file mode 100644
index 0000000000000000000000000000000000000000..19ed72d68b75e267f521fa952e6c6493ed9d4990
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1438.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:402279b9fb16e8319f11edc068824aaa6fd32b0c5c269d3432111abd3aa9acbd
+size 414913
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1439.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1439.png
new file mode 100644
index 0000000000000000000000000000000000000000..a741b7eb3204b3e93f108b01dbda7bb350fc3a1e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1439.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:669c56426714ff758a5a18c326607d93723b70007a92072131f494d571411413
+size 400746
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1440.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1440.png
new file mode 100644
index 0000000000000000000000000000000000000000..8521cce6b5279a4cfef3afa66c0ff242d196a92b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1440.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da75117198b483eefd0fe883e993a6ade4e9f7610e17c08b9a6474dd9b595e61
+size 414544
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1441.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1441.png
new file mode 100644
index 0000000000000000000000000000000000000000..8fe62491f1e2eda6773a51d9a0dece62891cd97c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1441.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9660bd30b321efd6d6c9e7c2d1cc23299bffc8574693b463af6c6e2102f1c423
+size 338379
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1442.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1442.png
new file mode 100644
index 0000000000000000000000000000000000000000..90a27b327e67daf0fd724d3e0eb0a68d5b429896
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1442.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c8919ea585351df8784997647c47f9376924347344dde51f449b93ad2a9b5326
+size 353627
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1443.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1443.png
new file mode 100644
index 0000000000000000000000000000000000000000..7b2c982480d3794abb6f87dff54640c9bc301de7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1443.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed826ebfad44aaac13013fbd5f12916b19e1dc8f28578b5349b370920f7fcf60
+size 397612
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1444.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1444.png
new file mode 100644
index 0000000000000000000000000000000000000000..14f7241fd1a5c54569279fa2e8ee72e43af01115
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1444.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c60107b32758bc0ea0114b9ac1d09a621a193042dafd98d97882daab13dc6eb7
+size 383236
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1445.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1445.png
new file mode 100644
index 0000000000000000000000000000000000000000..ff119d26fc54bfd53d8bead54f49afd1de4d1013
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1445.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:72434d86871927158ab48653be40c06b213a65de5f88d85f0a9bb0bc2f0986d0
+size 294626
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1446.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1446.png
new file mode 100644
index 0000000000000000000000000000000000000000..f2138f6a9b9cf5f0dd247e28cee8fe6e29d54c58
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1446.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6212c40807030f7d9dd0914f93ef104a8eea1c9e668250395b57fcd1fa02925e
+size 395632
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1447.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1447.png
new file mode 100644
index 0000000000000000000000000000000000000000..c5ed38d889fe482019139d95af9985ad5d9cb184
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1447.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d4719f99e2c4fab16cb04bc18b8c438c1d8ab3ce875b5fb3f6da14624cf9fb9
+size 301485
diff --git a/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1448.png b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1448.png
new file mode 100644
index 0000000000000000000000000000000000000000..bc453c082e24d9f7ba80d7fa2674e2fab1ecd7de
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Chemical_Aware/1448.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e935df6296a5f03a27b9c29e7a0bf583461c2e86b68cb7126867ad23fc9cc20
+size 338425
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1449.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1449.png
new file mode 100644
index 0000000000000000000000000000000000000000..89a297ebf0a786612f8d0a27cd7e70e23459924f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1449.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4e1917f0516014519514b5ce8c07a1293071b6512dc0e53da705833106515830
+size 372654
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1450.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1450.png
new file mode 100644
index 0000000000000000000000000000000000000000..f93d33836d9f4464b1fbd8c23a94b7dd59ef69be
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1450.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9aec9e05ab9ca8435176dfa1710aefa23028baa2d93da679304232b05569900d
+size 379697
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1451.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1451.png
new file mode 100644
index 0000000000000000000000000000000000000000..121d5d6239625b00284dac8bff960d783f7468b8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1451.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef292a518d88466dfe351aedd2138f2ce758cc158599b412f54bcf4c0b1cb558
+size 457644
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1452.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1452.png
new file mode 100644
index 0000000000000000000000000000000000000000..c6f0105aec2b191b4736b9b07f85db21e2aaea39
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1452.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:49af675e4b24b4a97624ff4ef3bf9bca762e1ce6ee34fbeba6aece8c5997cde4
+size 331968
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1453.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1453.png
new file mode 100644
index 0000000000000000000000000000000000000000..5f449948d825cfc5bac7f721d5efcc28afafecf9
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1453.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4f4806f7db5d95c7a93dd12bcd180f731091db9b3c1116daf2ff07a3c0ae446c
+size 414752
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1454.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1454.png
new file mode 100644
index 0000000000000000000000000000000000000000..e6c5cbfbb216bc3392e45e761ffbaedf32a5038f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1454.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:46b32172f65245c15d1dd60a429275c24d8788675ad21014fc3d57bdd2f76032
+size 407409
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1455.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1455.png
new file mode 100644
index 0000000000000000000000000000000000000000..848ba1ff615f87da58ae0f829c12cd5cd95cee8c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1455.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c56e4a143fdfee037f8335fa3e5d3fcddc783c3d360b1243d9e9abca815f5139
+size 414942
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1456.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1456.png
new file mode 100644
index 0000000000000000000000000000000000000000..d1d9af312299de7002f1355bbec9f77f26b3631a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1456.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:25f4b198498588c4f2a59078000acdcf04b8501ed2391c505140d269bac9f506
+size 411943
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1457.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1457.png
new file mode 100644
index 0000000000000000000000000000000000000000..732fd1c16eadb2530860c41a65bf956810fb34de
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1457.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a1760f6d7bf394e1692f620d9c04c38a2302617c1363791f4f32a036409a631
+size 420738
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1458.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1458.png
new file mode 100644
index 0000000000000000000000000000000000000000..f2b1bfc1d905e75a2d10a56cd9a24ed14ebb2f33
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1458.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a1c0a3ce66f6a8989a395e6a39eafa5672c2e9fcd4e8f7693b2f75164d3e6bbb
+size 515282
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1459.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1459.png
new file mode 100644
index 0000000000000000000000000000000000000000..74962a1e1b263de3992c987533612783c58bc2be
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1459.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dd7d27d44b213c166db39d68ffc50cae718dc34969f861d71359eac34aa88f08
+size 397183
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1460.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1460.png
new file mode 100644
index 0000000000000000000000000000000000000000..c2abc13ebd7af63d77e93d58c8f31ccc0c5789ba
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1460.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:323c400c075a9b48be71af43efe12e2caf2d5824ba85a008e1fd4f3b5542ba4f
+size 358545
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1461.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1461.png
new file mode 100644
index 0000000000000000000000000000000000000000..60804792f8c448ee0bb7b5b30e6848d480772759
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1461.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52c45e19fe1b54dc8039afb7b8790fc305bcec1dd35b341188e47efac2d0b474
+size 268659
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1462.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1462.png
new file mode 100644
index 0000000000000000000000000000000000000000..a9ad260be64ba0e5d6e908ac50d4dbf2ff090321
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1462.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:52b0a0d16a13a7537578973e46d7c4d4702be63af25be2745ea731fb79842ade
+size 297303
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1463.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1463.png
new file mode 100644
index 0000000000000000000000000000000000000000..a86026c94ada0544df5438d8e007a852267dc870
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1463.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb3f1b7b690398a40efeaad228cafc1b5b26464a91387b15c9aa47885217b76b
+size 275636
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1464.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1464.png
new file mode 100644
index 0000000000000000000000000000000000000000..4945da4e870ea68c1c275a28955fa0616804e974
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1464.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2db8c3edfca62c573b21b8197ede228cf0d5c768f5ad62cd0a0d39debd90a9ee
+size 315406
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1465.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1465.png
new file mode 100644
index 0000000000000000000000000000000000000000..e65e8e5eba8d9a6d857450c9c2b34a36cd91079c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1465.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1ebffa3088c3d350ecaafff7610c5589db68a0b90bc773a7850bccb7828f5ab5
+size 322601
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1466.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1466.png
new file mode 100644
index 0000000000000000000000000000000000000000..473e8a0917ff63cf06a07fff7168ae075d5a7cb8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1466.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d7894a76f17b4e82421191660993d041956b9cb745076b0c0aaf375a4d842d2c
+size 321435
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1467.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1467.png
new file mode 100644
index 0000000000000000000000000000000000000000..769a06127ba53dba5a63db5a2ae67972f587e66d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1467.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:692cfca869993fa6dfe22f3ef930744fbfa6f05ed186e960aaac7be001c6cc9e
+size 378116
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1468.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1468.png
new file mode 100644
index 0000000000000000000000000000000000000000..6ff0bfdcf566fc663e864ccfd7d163aef19056ae
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1468.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f8519df04f89a47123e13f06f74d000e0200d08a1770103453d98d2503341040
+size 448335
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1469.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1469.png
new file mode 100644
index 0000000000000000000000000000000000000000..51bb44b33374af6b4e5b458366eab66bb883dd86
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1469.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c718ed79358ec5a2f42a249c92ce71d874da52f1bdeb7315d12b7b3db0bfd2bc
+size 369317
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1470.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1470.png
new file mode 100644
index 0000000000000000000000000000000000000000..69d775c2db5c31940bb8e823018e5bc39d2525e2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1470.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a9787f17d5c3ef0d1bfe9e031013840aa0ed57ee9bba37a83c2855da94897450
+size 458188
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1471.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1471.png
new file mode 100644
index 0000000000000000000000000000000000000000..6a0afe1a490bf8f6ba6d097455d996c709399ac8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1471.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d4bc0b66d0f2f5ea5dedbe63de17289e20944f0feb89a1c299e0e0b2bdc9948d
+size 390634
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1472.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1472.png
new file mode 100644
index 0000000000000000000000000000000000000000..691a39b78bcbef5577047c1a64e13f8cee9a7f48
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1472.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f70290c78a0efc03666c6d7d1138771eecb125c51202841aeddf9396069f6ec5
+size 367203
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1473.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1473.png
new file mode 100644
index 0000000000000000000000000000000000000000..0191f6d2d777a801b6f59d788a69b3b4f5abf9fb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1473.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ccf7126752227983078849694c99ac05d8f6f05b370afcf5d38cc918a0be7347
+size 448402
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1474.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1474.png
new file mode 100644
index 0000000000000000000000000000000000000000..03c84c691d82a865cd1f80f8536c5504003fc484
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1474.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f15fd433c34843920586e22fc13fc663def2028f5b8365895a0224bb27b60717
+size 332459
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1477.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1477.png
new file mode 100644
index 0000000000000000000000000000000000000000..e43db403f1cb94574f7b4bfa659ed8b1fd06f62c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1477.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:59e1b1e8f4aa9928f53097b2fbaf65de6e8417edb6d4df812eea2c78701d1034
+size 437138
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1478.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1478.png
new file mode 100644
index 0000000000000000000000000000000000000000..4448bb06861754075a7f4d431052c610f6de903a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1478.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:140192e4cc4298ff5df9c094beeec9fe914599c68a78ababc31d21b5e7a69e5e
+size 329016
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1479.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1479.png
new file mode 100644
index 0000000000000000000000000000000000000000..98c61218a007969f7dcb0eb6895e5892de139a56
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1479.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d1b4ab88b930adb2a9218534418e2e01ad390a34b9d264d8986dc74146b5063d
+size 415023
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1480.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1480.png
new file mode 100644
index 0000000000000000000000000000000000000000..bb21b183f8a7b26864a1056d32370bf1a7aa4335
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1480.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ebbc0ccb74c44aded0528b9bff83dfa79e168bf0cbdff1f11c001de975cae21b
+size 371531
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1481.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1481.png
new file mode 100644
index 0000000000000000000000000000000000000000..975fae49cbdc73ac43d92903edc4bf872789d1b4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1481.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:22140e16e49f856ef5bd030f6c11587b3397ed82ad1ba89793f3675f6de0b53b
+size 398478
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1482.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1482.png
new file mode 100644
index 0000000000000000000000000000000000000000..b27f838c18f81c69f2726ba2afcb099943fe3b97
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1482.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2a854d16444451390b7535ea3029fb01037df2bb541dc44e71ae40245034243e
+size 387676
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1483.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1483.png
new file mode 100644
index 0000000000000000000000000000000000000000..e2ac9f7fa7dfd9f7ea6d54b738d8e7cbc864dcea
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1483.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ec4374a1ee1cbcdc9728597f21c9e620087a7bdb5c967bdf3396845c369ebb0e
+size 325827
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1484.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1484.png
new file mode 100644
index 0000000000000000000000000000000000000000..12e6cdfe4efef11660dcb7282b4ffa22ddf08816
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1484.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8bb5e9f9764c76fbe9b74cc841f3d4eb1832d483e1aab57369af716cac3d78be
+size 258982
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1485.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1485.png
new file mode 100644
index 0000000000000000000000000000000000000000..48ed838e342f1b722e3f17e2abad306627f68879
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1485.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ba8536abfe45dba3030878feeba16567e47970942a01e0b146a4c6dab3c788fe
+size 263814
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1486.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1486.png
new file mode 100644
index 0000000000000000000000000000000000000000..4deb8bd79728d94157c0df2dd9c932ee7ea84572
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1486.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a3207afc4d7c7bdfe6e9d41c157ceeaee8d7463ba64d6ccb00cd705634ccedd
+size 269588
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1487.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1487.png
new file mode 100644
index 0000000000000000000000000000000000000000..6e94c7356d17d228677883bebd9e075eebc4e094
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1487.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0820b1559d9adcf73ff63a2bc3f21a3df8d22e11b840b1425a8036ff4ccf21d2
+size 405295
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1488.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1488.png
new file mode 100644
index 0000000000000000000000000000000000000000..8efe334c04d9b71b783c964e115215ae7fe149b7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1488.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5042aeb5e269fd004efa60b448560fb41f86deec5a19d301925841858c6e5f25
+size 349508
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1489.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1489.png
new file mode 100644
index 0000000000000000000000000000000000000000..a6550fd6602c16e4b7bbb28c53a9b8a8e69191c3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1489.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:63be63b90070e5bc7bdb0b1d1c3236430eb28a844bad560b539796cb0014bea9
+size 376603
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1490.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1490.png
new file mode 100644
index 0000000000000000000000000000000000000000..da1cf3c6435dee474a7ede84d55520bbe353a2a4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1490.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e37f06798b5a96057a0a109584f5755567b0ca1a899dd7a91d398fbc3f931216
+size 459931
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1491.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1491.png
new file mode 100644
index 0000000000000000000000000000000000000000..d2b5049432b522b8eda72ff504ea991b9f5a6b0a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1491.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:476cafd455080fe7a9d79e0dd392e59bb8702fdf81fcf16b6b92b80acd0819e2
+size 497526
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1492.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1492.png
new file mode 100644
index 0000000000000000000000000000000000000000..94e8478584378dc545c7a1e89d6067fe5746e27f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1492.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:32633459e4c85886bcb05fabb5ff8c82bd45d363a5af261be4f9a1c5b77e6c32
+size 315470
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1493.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1493.png
new file mode 100644
index 0000000000000000000000000000000000000000..7ea94043717763688f611c582e3770f601a9d838
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1493.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc149c11d8f17193e321963cdc520788672067466e74e5941612488e31a065a1
+size 406045
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1494.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1494.png
new file mode 100644
index 0000000000000000000000000000000000000000..bca999f840b7c584d8bbfafa2daea269dfe3767d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1494.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b6a1a091cc1e52c2513d7c1ae80998e722e0cec91ba47178161c496eee5636c7
+size 422590
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1495.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1495.png
new file mode 100644
index 0000000000000000000000000000000000000000..85a5926f3bdc763f7cbfa97484e20efb98bd0ee4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1495.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2688143268d87d15f031791a3106d74dc5c8f38978504c4736ccc09938f42fd2
+size 484845
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1496.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1496.png
new file mode 100644
index 0000000000000000000000000000000000000000..0b0b554e26766936c029ab3c66c0df45c1ccd133
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1496.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e8254ad2bf5dd683411fca123e64d592e8bb834808e89c2d1500060e91b5ff00
+size 480369
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1497.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1497.png
new file mode 100644
index 0000000000000000000000000000000000000000..6c555ebd4edb241dfded75a0b64f917c5b75230c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1497.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ae1fbb9023e6eb5aa3ddab58b02d86c82beaa3caf3dd17ec0a0e4107d770d1e1
+size 438911
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1498.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1498.png
new file mode 100644
index 0000000000000000000000000000000000000000..35ff7503ddc0bfbcebc9613948c157a2b8347622
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1498.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e1793bb64affd797b2727c6dec077dee27bac1a74bd7c3a3768e405ab42c5a0b
+size 411682
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1499.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1499.png
new file mode 100644
index 0000000000000000000000000000000000000000..60c936decc02e8b3ea767ec47b1f597d71edf042
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1499.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:90f912a076d79b96a2a145a8a4881148e3449bf8530d7edb664ecf975c7a092b
+size 328240
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1500.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1500.png
new file mode 100644
index 0000000000000000000000000000000000000000..8d47560d074ff3534c3481ac7f1405414af44a0c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1500.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f465ad1359aebe21851e5674710f0084a520374f0cd37f72fb2b15fc36bffe9d
+size 382952
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1501.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1501.png
new file mode 100644
index 0000000000000000000000000000000000000000..72248d8bf8772756fe01169738a34630ee6a96cd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1501.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bff35897a62b5527ede196996d9a7f58eca9c7fb235e8467cd40878555afce01
+size 437426
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1502.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1502.png
new file mode 100644
index 0000000000000000000000000000000000000000..74fff0e607f79f3f775369e81a34e111b0d570bb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1502.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:16404777677fb9532010dcf5946a94455da7642dc188d1d2236fcd4996fc3e42
+size 415094
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1503.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1503.png
new file mode 100644
index 0000000000000000000000000000000000000000..1b0824583b17c8b33d0480778f5b476e765c5e5b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1503.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b8893159b505102bc2714b1bc9f749573a3e7472579d74dd24facf11aaf0333d
+size 279557
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1504.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1504.png
new file mode 100644
index 0000000000000000000000000000000000000000..d103f6f49a5eb16980b8337173cc6c7789ae67f2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1504.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:75c960fcfc8a1c16968e19ac3ed160f97dbc29920a4c9e17e275e9e46692455f
+size 392489
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1505.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1505.png
new file mode 100644
index 0000000000000000000000000000000000000000..76af5a4a257f36a58141dc8fceac4d2503baa171
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1505.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1992f19053cbab2f63f3ed7d45cd065b3b9356b3fb6c9aa3c10840d961cf9787
+size 446119
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1506.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1506.png
new file mode 100644
index 0000000000000000000000000000000000000000..7fcf23779219fe7b9817fdf4a4d652a07f04846d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1506.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7abfbff5ef1e0621bfc3615fe17fe73846b69ce2dd464a056141420854233961
+size 378388
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1508.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1508.png
new file mode 100644
index 0000000000000000000000000000000000000000..054e0b55a13aa0062ae76b4afd0fbeee534c3bd8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1508.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5679035987e0cf48854713b1a9da2f0337f0c9cb27a20a2f75a3680501db6a1d
+size 344913
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1509.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1509.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a32baff0b9b9daaf9589ad340d7e1afdb79d006
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1509.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8ed71e51bc1c99ea4d4724f7a080f372d178342f053aa75d90d623d1365a7f9d
+size 432751
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1510.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1510.png
new file mode 100644
index 0000000000000000000000000000000000000000..99b720ddefd365cfeb93a2e607bc9ae41cc3773a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1510.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c02c98ba8c36b56ff96d21dad4a5b092753001a990fcee09a1e173f56c3625e0
+size 391631
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1511.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1511.png
new file mode 100644
index 0000000000000000000000000000000000000000..743d986fbf50497e970feae2531142f4e1cf4d4e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1511.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4e34a9565dd209cd2663f263e631b29cb1852699b08876c01eea1d08ec1c9809
+size 554919
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1514.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1514.png
new file mode 100644
index 0000000000000000000000000000000000000000..949c8dd30dfd434c6100fdbcb1147e4d0b84fa1b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1514.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e8f7a7c2cc2af02e7e1ad52f35485d8eccee31877c7176759f5d36eab1a8b34
+size 433432
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1515.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1515.png
new file mode 100644
index 0000000000000000000000000000000000000000..caaa33d2a4b96ac02843393a3eb55cebf8c7d8c0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1515.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c2f38e9d4f3f86955cd3e3dfea7cc8eb902132cd73def33ea7e53b78dadc713b
+size 390861
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1516.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1516.png
new file mode 100644
index 0000000000000000000000000000000000000000..ae77aca8562acd1a6b1884593de08fc4e9b35f15
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1516.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:793ac339e02d828423901be8a2dce7fb61138bc2958e04f08ab5ec42f1bb97d9
+size 360777
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1517.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1517.png
new file mode 100644
index 0000000000000000000000000000000000000000..fc1b396027d1efd744e1d9590fb0dfadb6ba1ca8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1517.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3ce90d375924fcf9ffe849bf9bd123a3f99bed3b90bb40856e258786b1dc180b
+size 340470
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1518.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1518.png
new file mode 100644
index 0000000000000000000000000000000000000000..5293d02911f6f8bbc14eb49e30da15f252b9ad9a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1518.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c9c3dc8e24d6d9a7d04ec172e3854f92181cb6ca68e7e29f6ccf6c932c646901
+size 275789
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1519.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1519.png
new file mode 100644
index 0000000000000000000000000000000000000000..26fe00a6478e9e3c91d3ada6ff0a1685c53ab6b1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1519.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bdc42f4622fb18703872c10cdcd304e80d3d4e0d3d3eae430e6454348ff9c82d
+size 291505
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1520.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1520.png
new file mode 100644
index 0000000000000000000000000000000000000000..0a211234c8c696d17280637a2ea8e09cd2bb0558
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1520.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:673abb6947da69b32b79e12d2dae5e9df393cfdb857df43a28fb1950451fffea
+size 305844
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1521.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1521.png
new file mode 100644
index 0000000000000000000000000000000000000000..140abc57bdc4b9db00e4396577bd047fdbdcd2f5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1521.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:08646293015ff301d9f5b09928c88a56cf0137412d059a006e4119444146f0da
+size 222415
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1522.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1522.png
new file mode 100644
index 0000000000000000000000000000000000000000..18913532dbcd99c2ceef9c822a59d87235a70782
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1522.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:348328a31a914a7b28858dca57ad1b1d00d5c80b1b3cac031e9ea8c5c56a2be2
+size 293527
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1523.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1523.png
new file mode 100644
index 0000000000000000000000000000000000000000..3a52706f2e0e73788d3929638d2390050361fff7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1523.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6a7365421466695e7c79d6e9c2449308d01e90b626cffe5867c774a2295bc538
+size 324184
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1524.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1524.png
new file mode 100644
index 0000000000000000000000000000000000000000..4e90ba82a54b8eca42a91fc836673b4eb9d7a042
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1524.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:adb1b61f45433a242b7e861849fb163677d016d093fea073534b1b755af0f2f9
+size 309111
diff --git a/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1525.png b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1525.png
new file mode 100644
index 0000000000000000000000000000000000000000..ace0d767af34173a5ba482bebad2c72b174e1a45
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Math_Aware/1525.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:596d7c8c3ecd965410f84f0cb3654d1a05aa17bc15ba46477836bd5a63910e2f
+size 271123
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1309.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1309.png
new file mode 100644
index 0000000000000000000000000000000000000000..113875321af62cf3c28e41bb254aa98a4a52bbea
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1309.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:656ed7577e2a017dfddaf910f80668b08d65d44bad2d390fdcc6e8638702f2bc
+size 293992
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1310.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1310.png
new file mode 100644
index 0000000000000000000000000000000000000000..a033ef1899c1a127dfa63a4547cc4297f7f5a58b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1310.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8976cead81090431338e07104e78c030e292937b4f89767081d5b5ee7fd02667
+size 393661
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1313.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1313.png
new file mode 100644
index 0000000000000000000000000000000000000000..c742e17fb8e0235066429184d246f48f7c114c62
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1313.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1bdca428466c5f6aa9633fc29768e3e4694c6db0ccb7f60d87998d88b52273dd
+size 384640
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1317.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1317.png
new file mode 100644
index 0000000000000000000000000000000000000000..5365a84a1a7694e2cbed679c9376084a4f20a03e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1317.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:33acb61be1a2d87d8d2611830fb6e05b011fab408c9a0d1cbb6fe776d6a5ddc7
+size 437691
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1326.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1326.png
new file mode 100644
index 0000000000000000000000000000000000000000..04249224bf35a28c2020213ffb29b14e9c665701
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1326.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f2742d5e39c879a260b5ab46f3c7d4fbbee81cb12a32c0cfd04130a960ab992
+size 464458
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1330.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1330.png
new file mode 100644
index 0000000000000000000000000000000000000000..77ff412d3cdd3074fc76c53b01d5a369945ebab0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1330.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:99ee02cc14150b955762e67007a1da7fb232f9a7fe15670f9c0eb0cc1fc1b32f
+size 327212
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1334.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1334.png
new file mode 100644
index 0000000000000000000000000000000000000000..da632083de55d21254580ff592b373b5948f7f21
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1334.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cecec3242ff3175e1835a78a25f8e7a998bc910fe2e673f3c2db0b0b8de46a4d
+size 465384
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1337.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1337.png
new file mode 100644
index 0000000000000000000000000000000000000000..b0593a725c3da0d5436bbe8c6d2dd0ae9bc530a6
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1337.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5a4f9219a00a20431b2c196b885176fb5a2a171a3661d8fe293506fee41cb84b
+size 421111
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1341.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1341.png
new file mode 100644
index 0000000000000000000000000000000000000000..c10c136ec0b3a6b986f6d937271e5bae0d6d34fb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1341.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce69793565da1786672ad0c791e26f467cbdf7d948b0bc2cc73377e2b0f3fba0
+size 368476
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1343.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1343.png
new file mode 100644
index 0000000000000000000000000000000000000000..e98fea346c214dd3fed4add289fed74824df380a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1343.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:abae818bae83ab3eaf80d873b26fac29e295db81875b0b3441f8a7553a57e46f
+size 346911
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1355.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1355.png
new file mode 100644
index 0000000000000000000000000000000000000000..e1b1755be94affeda9e9d170c3648881991f621e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1355.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:03aaca439d98a07b5291e9e87c10d383e806b623e2999e0b9812ae35bd7fc731
+size 420498
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1356.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1356.png
new file mode 100644
index 0000000000000000000000000000000000000000..b231c98e2e6b496aef27ed2d3c2fcf03ee51e940
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1356.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:17754a5ece92122b32b0c13fc9f8c1c306743e63821c7efa0e69db9cd4ead7a0
+size 297505
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1359.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1359.png
new file mode 100644
index 0000000000000000000000000000000000000000..995090c728add648f5f9b5a63082ebe8802df066
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1359.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2759ada9ab0e53ebb5a04e95cef32834cf5aca0dee65caed935d882b26c563fb
+size 463125
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1362.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1362.png
new file mode 100644
index 0000000000000000000000000000000000000000..7a1811957ead7a9f22d339bc256a12c112da78b4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1362.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:89387d666da44fbbf78b873a28a5ef0d2576e31e4b71271a42fc43e8b67f1d05
+size 401253
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1365.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1365.png
new file mode 100644
index 0000000000000000000000000000000000000000..50b7623b596f98d8a0ab55b1c6e51b1d3fe3b119
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1365.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5b86fc80c2c34f8154a3537bff3abe203ab6b6e2dbca07dcd5e1f554668ad891
+size 440676
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1366.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1366.png
new file mode 100644
index 0000000000000000000000000000000000000000..eb899f126e5171ea6a2275f28ec2c611c5d4a98b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1366.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9918ebdd58680361296c8fc0a76005810490d5d576e2fc9c06ca6d304722a189
+size 398653
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1368.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1368.png
new file mode 100644
index 0000000000000000000000000000000000000000..e325a5298fdf8ac4763b81826f55e88d2eafa1e6
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1368.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dfc4752e605a4964e43b60bbab904a9314c8f694ba3b754f31c622f0e04927ab
+size 418900
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1369.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1369.png
new file mode 100644
index 0000000000000000000000000000000000000000..a8362bbcbc7666659f7481aa9405e5398f1c93d2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1369.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2189ddd123bf5c6f64d9abf326650be0b4dab782e75fc8f08606050c5f8393fe
+size 428951
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1375.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1375.png
new file mode 100644
index 0000000000000000000000000000000000000000..c5bf939c6517e18d9ec32a83387da67ace6b3432
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1375.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2dd7cb5b866491fd11f65518cf67f446848e01e8c3072f4d86fecdf3d87351d1
+size 333107
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1377.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1377.png
new file mode 100644
index 0000000000000000000000000000000000000000..0ec4db88ce5ba39c811506b8fa009d1a98538cee
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1377.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:06647f513f940f4df87ad8f4565241a2d9a068dfa360a85116eb127c007a6309
+size 392786
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1378.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1378.png
new file mode 100644
index 0000000000000000000000000000000000000000..29e6bf9cb348e996c0a34eb454b05d6f9983c079
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1378.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fc8f47f5bc08470eb0c8d0911718197b3d4b2de87a3298302ada6ecb84a70b6f
+size 413921
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1379.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1379.png
new file mode 100644
index 0000000000000000000000000000000000000000..e1f3a7e716d1d6e198f2e8eed5ef0a26f7bdaaa9
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1379.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4685b31ac028dabf22a328147a8be0139c70803aa937e70ee6ae20f2c34cee6d
+size 269410
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1381.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1381.png
new file mode 100644
index 0000000000000000000000000000000000000000..7a5430bd9704cf7460b8f19daf149f42b213c105
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1381.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a8da563646e53618dc2c4f17124f4a4e34e1f7d9347c3b702e67f2234ccb6ec3
+size 350973
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1385.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1385.png
new file mode 100644
index 0000000000000000000000000000000000000000..7931d9e256d3287c6bf48631fbfd1eab72ef609b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1385.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c86d930166b691e0a48cfbb5406f4af008aaff11da3099e60734b4c686401d2a
+size 414200
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1386.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1386.png
new file mode 100644
index 0000000000000000000000000000000000000000..8ccfbdb99ed47231498f42427d0585a351f6f012
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1386.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fae54f49fddb0c03dfac31796d3c7832a74319259a92c83dc52857e6ac9f4833
+size 431916
diff --git a/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1390.png b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1390.png
new file mode 100644
index 0000000000000000000000000000000000000000..bed601bd29a32c2be065ab835f645a4a48c46117
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part3/Time_Aware/1390.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b59f7f23907872b66491f3ba2ee672a7658512b388dc048ab223df0150ea9af8
+size 357033
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/299.png b/NextStep-1/NextStep-1/cn/Part6/Complex/299.png
new file mode 100644
index 0000000000000000000000000000000000000000..1cf7bc9130d8a5c2f4e88aa843eeaeae2353d390
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/299.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:40576552b1bcef5981e259c9d4d3738b9c60ecf00f13c37b105e6b7c060fc950
+size 359119
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/300.png b/NextStep-1/NextStep-1/cn/Part6/Complex/300.png
new file mode 100644
index 0000000000000000000000000000000000000000..ea0153f0c0a3f0b668aeb757e50ed7703bf2c18e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/300.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3f73f06331645286d0551c3da13cac4bce1e2c572ea846b29ee7d76fc2fa135b
+size 454668
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/301.png b/NextStep-1/NextStep-1/cn/Part6/Complex/301.png
new file mode 100644
index 0000000000000000000000000000000000000000..7a2d7c776a878dc30b59424f2e93aa4cd4162351
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/301.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5fa9ebd92aa9b9b127a7277888cdd31bcdeff5d3d8a6b842c03a919b1ecafcbe
+size 295845
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/302.png b/NextStep-1/NextStep-1/cn/Part6/Complex/302.png
new file mode 100644
index 0000000000000000000000000000000000000000..4d536036cd02c21b07cae2e912a332847e6943d0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/302.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0a65bc458544e32c260c3e9bb429d5d71a3ecb7b58e3a29d3ff4386ea3bb7588
+size 445545
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/303.png b/NextStep-1/NextStep-1/cn/Part6/Complex/303.png
new file mode 100644
index 0000000000000000000000000000000000000000..cf603b39d71d346426ae0ac799d2509bbf6f7bdc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/303.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9f77f065b9a133e0d62a2fb87470b17e394da25b793536ee51cd986d691f840e
+size 334122
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/304.png b/NextStep-1/NextStep-1/cn/Part6/Complex/304.png
new file mode 100644
index 0000000000000000000000000000000000000000..d1a365bebd0d916b999e473a3ca61763e867bbef
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/304.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d961ef4a2ea1f0f1fbca73515689c9b04a4c054aa7694cdbdd7b430136ef3bfe
+size 354233
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/306.png b/NextStep-1/NextStep-1/cn/Part6/Complex/306.png
new file mode 100644
index 0000000000000000000000000000000000000000..f66117e03ade839135bad708d43ae07387fcfd9a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/306.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3f87ced3ce20736411cb73376fbee4a41a9c431a2ce4ca0ff4ddb2fc4ccad4f3
+size 402509
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/307.png b/NextStep-1/NextStep-1/cn/Part6/Complex/307.png
new file mode 100644
index 0000000000000000000000000000000000000000..2577941e7f6688efde6e771adc5f5b0e66692684
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/307.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:95c74eba47465e1053ba45389a22babeca12d97f05ca35bd9fb178db2cd978fc
+size 432206
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/308.png b/NextStep-1/NextStep-1/cn/Part6/Complex/308.png
new file mode 100644
index 0000000000000000000000000000000000000000..2c2440433637aa71b4bd3e86fb296f0262d6f5cf
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/308.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:450136900273e2aef97630c7e88ad484c30dc4664264d412b1bccaaf87a3bc62
+size 269337
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/309.png b/NextStep-1/NextStep-1/cn/Part6/Complex/309.png
new file mode 100644
index 0000000000000000000000000000000000000000..97bb1e9c60bf27568aff0f14d0a41bc1e0bba2cf
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/309.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:605895661ae241cd9a57c642d37f5de870afcd5f01623910b5fb29641818505a
+size 351656
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/310.png b/NextStep-1/NextStep-1/cn/Part6/Complex/310.png
new file mode 100644
index 0000000000000000000000000000000000000000..8af45630cb23d9ccbb8e5cb8d05dd561725d347c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/310.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f44cb0a9afc1602fd6e81a9a1704e8d3edbe3c131cb9a97d6e07fbcd19ae6597
+size 298646
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/311.png b/NextStep-1/NextStep-1/cn/Part6/Complex/311.png
new file mode 100644
index 0000000000000000000000000000000000000000..d51c830e0b25402feb6ab49c5540838354a144e7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/311.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ec2b7d1eff2d8280a14ec736a7edfcdf0fa8e11a1c89fc3b7c5a96a5613db89a
+size 422256
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/312.png b/NextStep-1/NextStep-1/cn/Part6/Complex/312.png
new file mode 100644
index 0000000000000000000000000000000000000000..a35ca9ce900894f71144c67cf3290a3648936712
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/312.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8fa338a5669ab57e8467f8b96f8cedfd16e7e8ca23c01a914b0554cc3cc61beb
+size 375462
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/313.png b/NextStep-1/NextStep-1/cn/Part6/Complex/313.png
new file mode 100644
index 0000000000000000000000000000000000000000..3e02418992bad70696eb6813e4e8d6e774e805e8
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/313.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:400312a499b6974078d388a4203671454a128e7e51b94b01504e5aa0d44f1cff
+size 412300
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/314.png b/NextStep-1/NextStep-1/cn/Part6/Complex/314.png
new file mode 100644
index 0000000000000000000000000000000000000000..5f5a8b85a200085dda3d7def89c2c46a36e63ad4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/314.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0830e0eb9e3657e381b2be9a69b8da944699f09fb3344ca3dc865cea9da9adbd
+size 265942
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/316.png b/NextStep-1/NextStep-1/cn/Part6/Complex/316.png
new file mode 100644
index 0000000000000000000000000000000000000000..677e28160838cf6ad5a137ef687cf1ccdb0482ff
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/316.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2eb0b09f22da4c42015a5d8046548725ce4594fb383d05796749f85fce87ef2e
+size 454653
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/318.png b/NextStep-1/NextStep-1/cn/Part6/Complex/318.png
new file mode 100644
index 0000000000000000000000000000000000000000..c5bb786c3471377561ba6465ca153be992ca97bc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/318.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:09b9670a1fa99ca70e66b1d4a2d2d6231ccc63e3d038f0eaef382f3165082946
+size 319228
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/319.png b/NextStep-1/NextStep-1/cn/Part6/Complex/319.png
new file mode 100644
index 0000000000000000000000000000000000000000..84fab60e632c2dbaaa5bad8657af76ba3b249fe6
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/319.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:87d3ab70be098635cfee15bf755d5ebdf15307c225cbd891673b348e36f67b22
+size 358526
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/320.png b/NextStep-1/NextStep-1/cn/Part6/Complex/320.png
new file mode 100644
index 0000000000000000000000000000000000000000..561b5e1ca5d81a3762d7140d7f0c2f5faed98962
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/320.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:207930f1c1474bc9581d7195f4ea34feb7201139ca109192ed2f0b1c3b5e36bc
+size 440384
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/322.png b/NextStep-1/NextStep-1/cn/Part6/Complex/322.png
new file mode 100644
index 0000000000000000000000000000000000000000..0ef9c495ec3bea65e5de20eada818c891f1bdd26
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/322.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d047cb25e62a86b06ece651eb2301fac3ecac37d12a04c06ade59eb7738d5012
+size 412404
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/323.png b/NextStep-1/NextStep-1/cn/Part6/Complex/323.png
new file mode 100644
index 0000000000000000000000000000000000000000..fdfbce8516d983743904b5bf9a2858ebeecb16a0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/323.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:388e35858592cc6cea2f9ca22a5e4233ad54bd3f0b1cc66d35967a023d05a2e3
+size 424756
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/324.png b/NextStep-1/NextStep-1/cn/Part6/Complex/324.png
new file mode 100644
index 0000000000000000000000000000000000000000..f1e7f2842833750a72374c154f975285cb50b70a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/324.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2ee7dbd7aaea1d8caa8fb020cdfd7279cf4b182b0f90d5a150f0408a43a7bcab
+size 417184
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/325.png b/NextStep-1/NextStep-1/cn/Part6/Complex/325.png
new file mode 100644
index 0000000000000000000000000000000000000000..e3f78c127b5e5acabaa456b6a2dfebd03b278050
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/325.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6effaf3fa297c86c5a9361e195cc5fe9fdcd7289bdabce2a41e4c69ab5dbb249
+size 306763
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/326.png b/NextStep-1/NextStep-1/cn/Part6/Complex/326.png
new file mode 100644
index 0000000000000000000000000000000000000000..6a93b101e1878ced682376ca41921ceb18b743c1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/326.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e14bfe463d796728d8a1384a2e74f476689b0788e8c444fdfd50b9621edcf7e3
+size 333879
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/327.png b/NextStep-1/NextStep-1/cn/Part6/Complex/327.png
new file mode 100644
index 0000000000000000000000000000000000000000..e4c8f055b0c2a046769a05a0d3b2b16460593687
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/327.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ff5736fdf1461c4ed5932c0d62a6930f1fe6dce33255d648ba4787cc9187f2ef
+size 297640
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/329.png b/NextStep-1/NextStep-1/cn/Part6/Complex/329.png
new file mode 100644
index 0000000000000000000000000000000000000000..b14070c4a84cb5380d91cb7091190f6a2d556079
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/329.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:645b1dfb23d90a0e97d4ff60fe141f7c9d8129464f7de438c5cb803702e76394
+size 305674
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/330.png b/NextStep-1/NextStep-1/cn/Part6/Complex/330.png
new file mode 100644
index 0000000000000000000000000000000000000000..74290123589ed61decebb6b7e5b150dc77bc98d7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/330.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da39c4e15b817537b7222c5e90fa75421c02a984ec804dfd2f414e2b7bfc6586
+size 426305
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/331.png b/NextStep-1/NextStep-1/cn/Part6/Complex/331.png
new file mode 100644
index 0000000000000000000000000000000000000000..40adf0f4010ec02483edbd9db528f862139a8077
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/331.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c840622725b09aea42b516696fdddcd702ac90e9e19b64e64483b2e8f70c37aa
+size 356388
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/333.png b/NextStep-1/NextStep-1/cn/Part6/Complex/333.png
new file mode 100644
index 0000000000000000000000000000000000000000..904edbfee4068e164d9bd79bfd1a956ca3558c00
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/333.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a7c251229e1416e72cada261d5adb71dca6fedd01d384eb86ca23b8d2ba2ca86
+size 340199
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/3333.png b/NextStep-1/NextStep-1/cn/Part6/Complex/3333.png
new file mode 100644
index 0000000000000000000000000000000000000000..0527fa2e32f03c430a8e88ac7e07c594120b35cd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/3333.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b9658331b811bfc07d76d7f95299538a2f3364bdbdfd87450d2f35071635d42d
+size 331318
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/334.png b/NextStep-1/NextStep-1/cn/Part6/Complex/334.png
new file mode 100644
index 0000000000000000000000000000000000000000..d6d655aa57a0073f6da5996909424ae912a6f3f7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/334.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:80173989269f784e4c90c85e9d8af0995e425db627b3d73532d4ff8bb64466c5
+size 394581
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/335.png b/NextStep-1/NextStep-1/cn/Part6/Complex/335.png
new file mode 100644
index 0000000000000000000000000000000000000000..6affd3f41e5c5f4ac63186b45fa404dfa69f3f7e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/335.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:79120b978298dda04b0c0ba194a2c9269fbf6f86b8704cae9dbd946ce6874304
+size 336133
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/336.png b/NextStep-1/NextStep-1/cn/Part6/Complex/336.png
new file mode 100644
index 0000000000000000000000000000000000000000..8c15bba564de1b51b0440666e66dd0df29b25301
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/336.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:32f30e042e1ec61ac48453de5751282935019d08d467d7c37ae20bb200ada036
+size 377845
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/337.png b/NextStep-1/NextStep-1/cn/Part6/Complex/337.png
new file mode 100644
index 0000000000000000000000000000000000000000..115f2ad474cdffcd2f9ab47a52a7d4920d363f5c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/337.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b5b6ac486873d65b90d2aabb47540b7b9aad91026acd11423fa8391bcf0cd349
+size 433882
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/338.png b/NextStep-1/NextStep-1/cn/Part6/Complex/338.png
new file mode 100644
index 0000000000000000000000000000000000000000..13fd8fb749684569cd7bf7c1b58e735383754e29
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/338.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:95270e9044ac41c87fa75ca23516ec61f1581cf539eab9365544b3bef4c2d059
+size 372180
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/339.png b/NextStep-1/NextStep-1/cn/Part6/Complex/339.png
new file mode 100644
index 0000000000000000000000000000000000000000..45008b16ba4699656f57dc35461ae4e053c14339
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/339.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:644ebc7bfc4bbe1e2ea8dfb38440b8f6b0a8dcd46c4de8d43afe0d0debdd0622
+size 363179
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/341.png b/NextStep-1/NextStep-1/cn/Part6/Complex/341.png
new file mode 100644
index 0000000000000000000000000000000000000000..cac7623682fd2e50f787440694ebc16f0a4d7d8f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/341.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bccf162f089e79b8e64ab3f256f7388bbcc525812fce70e9c87cc9ec7f8d2160
+size 365870
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/342.png b/NextStep-1/NextStep-1/cn/Part6/Complex/342.png
new file mode 100644
index 0000000000000000000000000000000000000000..ce145167edddf4026c5acda4a42c9405216b1361
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/342.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a5b1da36277e8bbfbc093488950cca353d746fd44762b932cae212640439bed9
+size 421056
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/343.png b/NextStep-1/NextStep-1/cn/Part6/Complex/343.png
new file mode 100644
index 0000000000000000000000000000000000000000..93a8c7cea3cda255ca99db684df78b6b26e5596f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/343.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a44d43cbb927993023e75f99eef6fab89463388077cad69454ced672f807d24e
+size 357649
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/344.png b/NextStep-1/NextStep-1/cn/Part6/Complex/344.png
new file mode 100644
index 0000000000000000000000000000000000000000..34fe7e6b21b1230dcc107d51e435cadf44233e26
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/344.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:daaf9799c4512cb930313f59e0320b774477afc514bedd3f1ed09b16c04e2524
+size 344088
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/345.png b/NextStep-1/NextStep-1/cn/Part6/Complex/345.png
new file mode 100644
index 0000000000000000000000000000000000000000..e57892ead72d742e21857211c1b13bac5407faf9
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/345.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8f799b37483daa15f30f3f7174887ec2825d9a71202b8005e7bc6a587c849042
+size 356872
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/346.png b/NextStep-1/NextStep-1/cn/Part6/Complex/346.png
new file mode 100644
index 0000000000000000000000000000000000000000..0d4d97423fbe6cf894baef7ea155347696bc7550
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/346.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8509e1e63d7a514e6aded60e2444fae9fbc74c3c60dcc84f8a0360be967cfe96
+size 269527
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/347.png b/NextStep-1/NextStep-1/cn/Part6/Complex/347.png
new file mode 100644
index 0000000000000000000000000000000000000000..a366e8df78dbf18ced2ff171db8c70f47bbe202e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/347.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2abb7943a24d8c86a32b6cf1912fe5e5a754528300bb315ad417f9563bcfba19
+size 302517
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/348.png b/NextStep-1/NextStep-1/cn/Part6/Complex/348.png
new file mode 100644
index 0000000000000000000000000000000000000000..57bf14d13a686432d60e9cf6e9459c17e58ccf51
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/348.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a677bb7e5643e3cc85f547604b6aad7934481b29315ed1012e1f6e5891535eb3
+size 412315
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/349.png b/NextStep-1/NextStep-1/cn/Part6/Complex/349.png
new file mode 100644
index 0000000000000000000000000000000000000000..33031468560ba29567918cf2c024a48577ae0dc9
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/349.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:85c10ab2cdb31a3970f4c7b28397e6c106824b8412a942fb2f8791fe2cc77dbb
+size 373700
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/350.png b/NextStep-1/NextStep-1/cn/Part6/Complex/350.png
new file mode 100644
index 0000000000000000000000000000000000000000..b8ca836cb6e8212a363319db4c9318bf4cd06461
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/350.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c0de26e8cc0bdee7379f357a881af59daaa02ab74d790952d15a94a4c17ba1fd
+size 460828
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/351.png b/NextStep-1/NextStep-1/cn/Part6/Complex/351.png
new file mode 100644
index 0000000000000000000000000000000000000000..4a706ad7d6fb2cf9fb119b1b95ea513a3e94e5ab
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/351.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2ab8d132e5e034928d6d0652b49b06e1298ee981233a435fb73f74f202615cd5
+size 412362
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/352.png b/NextStep-1/NextStep-1/cn/Part6/Complex/352.png
new file mode 100644
index 0000000000000000000000000000000000000000..8a4c7df5130ce054c47ca35bfe0be4247eed9527
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/352.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6d71e10f066098ee0d222971b06d5209d1afa920f7a7bfe59ffb142b6c1568b
+size 341353
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/353.png b/NextStep-1/NextStep-1/cn/Part6/Complex/353.png
new file mode 100644
index 0000000000000000000000000000000000000000..a282935f99bc43183f081c1466310a4c2bc03620
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/353.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0882567cf233012da3f23d1f5c7d1a8f479170f62957e456f204aaffed42e12e
+size 418299
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/355.png b/NextStep-1/NextStep-1/cn/Part6/Complex/355.png
new file mode 100644
index 0000000000000000000000000000000000000000..1ec73ef2e79e47481b47c592c1b0abc3f791152e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/355.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9e4d8222d55c20890dc68d67455993ad083fd89172603b15ceea00c4c2e03c83
+size 362973
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/356.png b/NextStep-1/NextStep-1/cn/Part6/Complex/356.png
new file mode 100644
index 0000000000000000000000000000000000000000..53a64a7e76950b91956c450c1d36b5a9f1b88992
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/356.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:005f34e93370812d286b807fd67e1441831655c959953286024e8249a031d4ac
+size 410277
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/357.png b/NextStep-1/NextStep-1/cn/Part6/Complex/357.png
new file mode 100644
index 0000000000000000000000000000000000000000..3269e4a1e4e3f63c5264e1718cdfb60da6c33f20
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/357.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3d0137d6db4f79568e0d0cc3facbb2be4ff7d8a20296d993f5e1c135aa24c25c
+size 363299
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/358.png b/NextStep-1/NextStep-1/cn/Part6/Complex/358.png
new file mode 100644
index 0000000000000000000000000000000000000000..c7a8f23af8f6ca8337b3c948377edea9a63e841b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/358.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3904aa0f76f8a97fabd493929ffbfef0f1d02ab1f465956a8d9e436d3756e83c
+size 368240
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/359.png b/NextStep-1/NextStep-1/cn/Part6/Complex/359.png
new file mode 100644
index 0000000000000000000000000000000000000000..bee8cc4d571101a0cb7dd3c1561fd235ea6c8ab1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/359.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9a94cea705d6390bd9a78c0b0d2e2cb232a5b811fc66fa45fa94cf96b3a0c98f
+size 360675
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/360.png b/NextStep-1/NextStep-1/cn/Part6/Complex/360.png
new file mode 100644
index 0000000000000000000000000000000000000000..3bbd47c73cd4d14622a2b0e2bfbbc6ea9e06fade
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/360.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:790ecd5d1e37c3a291582faca89488616a44c563c6abda055c589e76a4da34cb
+size 367323
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/361.png b/NextStep-1/NextStep-1/cn/Part6/Complex/361.png
new file mode 100644
index 0000000000000000000000000000000000000000..08540a843a52816afa48235d3609accd63f3c639
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/361.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b5bbb0986366656a0c3f817d5072034fa1696ff67e491da9347122b718df6f44
+size 490128
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/362.png b/NextStep-1/NextStep-1/cn/Part6/Complex/362.png
new file mode 100644
index 0000000000000000000000000000000000000000..6a0e4a3ad08327cead97c3d8bdc05a0adf3a62bd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/362.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:04d6ad1f1430093ea510f3ec0aa75b950b956ad930a317f5d5d6a5bc92d72dad
+size 374004
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/363.png b/NextStep-1/NextStep-1/cn/Part6/Complex/363.png
new file mode 100644
index 0000000000000000000000000000000000000000..24ab6a379017a9b084ad49887c37d30363b1ed9c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/363.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f0f3ba7e750acd75cb7300e06b94e16e66775469c8156ee5d681bc43357ef047
+size 403903
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/364.png b/NextStep-1/NextStep-1/cn/Part6/Complex/364.png
new file mode 100644
index 0000000000000000000000000000000000000000..8b7f05845dbaa8e5101aa39a247f61af5d837632
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/364.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4dadf6296c17125b2eaed83e8a7de66cbad872fde9ad99bb4072a00b231aec39
+size 241543
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/365.png b/NextStep-1/NextStep-1/cn/Part6/Complex/365.png
new file mode 100644
index 0000000000000000000000000000000000000000..8da44b3bbdb41cb8d274e7d14aa8ad43929aa37a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/365.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0cd1a1afd20b321198869589f30d372b2c69629f21f27fd8d7e7525ff840a187
+size 498342
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/366.png b/NextStep-1/NextStep-1/cn/Part6/Complex/366.png
new file mode 100644
index 0000000000000000000000000000000000000000..4682d3ab9f914be5e6b6f37df5530c4b52802768
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/366.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8ba745ad7b447e5aba3ae1406c703446c98fdb6c9c5eade7323522c15b37255b
+size 391404
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/367.png b/NextStep-1/NextStep-1/cn/Part6/Complex/367.png
new file mode 100644
index 0000000000000000000000000000000000000000..fd174f3dc8e90ed07a5b7d5136547a46368703a7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/367.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11b89ea9b95af6325807393acd503c5f26f592f9c6a5ceae9a4200bae0597d74
+size 317451
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/368.png b/NextStep-1/NextStep-1/cn/Part6/Complex/368.png
new file mode 100644
index 0000000000000000000000000000000000000000..66c78815767a71467ecc67229a245d90db850d20
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/368.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a4dd916f5c1d440b3cac0c8cfac930904ea9c5ef9808925f076a46c482bdce09
+size 350013
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/369.png b/NextStep-1/NextStep-1/cn/Part6/Complex/369.png
new file mode 100644
index 0000000000000000000000000000000000000000..d140e37ba5ed4a6b890401e4697090a741a22c4b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/369.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:138da9c8387d3c272b5eec4a26f539adb37462ebe99d563137a9c40a9c3bb320
+size 306318
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/370.png b/NextStep-1/NextStep-1/cn/Part6/Complex/370.png
new file mode 100644
index 0000000000000000000000000000000000000000..b6f6a9047455c5a43c9ec05211c827836babfbfc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/370.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7544c87be89005a714a0064b9ff3cb198627f98687925cf5d937ae7847a1b1dc
+size 304451
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/372.png b/NextStep-1/NextStep-1/cn/Part6/Complex/372.png
new file mode 100644
index 0000000000000000000000000000000000000000..8520885e687eaccc17f579fb0e47c11023773eac
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/372.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a67852ece2e5ac32edea664711a9777727985fe1984461877ecc6da35b6cb6b2
+size 284933
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/373.png b/NextStep-1/NextStep-1/cn/Part6/Complex/373.png
new file mode 100644
index 0000000000000000000000000000000000000000..5fc130a09957ba8e3adcb2b8048693225275427e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/373.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a2f454a6f8ef4e360e0fb3efe62441af7bc7d022548c674baa255482c05230d9
+size 265839
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/376.png b/NextStep-1/NextStep-1/cn/Part6/Complex/376.png
new file mode 100644
index 0000000000000000000000000000000000000000..2821b6bd04138c087f6ab7401c3b1216e62dc252
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/376.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:69828bdfd9e24c20ac74416dee204c3ff9a07abc3313873fda45f30d19f55ad8
+size 345503
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/377.png b/NextStep-1/NextStep-1/cn/Part6/Complex/377.png
new file mode 100644
index 0000000000000000000000000000000000000000..91283414bd068128daef4c8efe364d9e779a138e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/377.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c4711cf64901c88a41d61f045fe1949515edf76adb55756097f66889093f5fc
+size 402070
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/378.png b/NextStep-1/NextStep-1/cn/Part6/Complex/378.png
new file mode 100644
index 0000000000000000000000000000000000000000..6cec70d901c88d4135c85674e4dc1651aaea33fc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/378.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cf79cf4fdf8490e7da3ed00debdcdbc5e5c9662c7c282d9a848ccbb9fc85bc11
+size 361591
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/379.png b/NextStep-1/NextStep-1/cn/Part6/Complex/379.png
new file mode 100644
index 0000000000000000000000000000000000000000..37daa789b6429adb20caa0dfcedeb8628db017a1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/379.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c6a8a94c53637f561527b79d143cdf08ada33eec50f1e22f6f52a277233b7072
+size 342914
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/380.png b/NextStep-1/NextStep-1/cn/Part6/Complex/380.png
new file mode 100644
index 0000000000000000000000000000000000000000..cffbf92dd68f54ab2bb60b908176a9e5728ac7db
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/380.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:435a3a277d25cda768c656de60663cbb23a17497b50f1ae376c30ce45141e959
+size 361300
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/381.png b/NextStep-1/NextStep-1/cn/Part6/Complex/381.png
new file mode 100644
index 0000000000000000000000000000000000000000..f72626c0be3abecc29c9dd1ddeab58eda9f70981
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/381.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:905ed0a023732d22cc85111448c4629c38695608fb207e2c362958c45012f187
+size 324054
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/383.png b/NextStep-1/NextStep-1/cn/Part6/Complex/383.png
new file mode 100644
index 0000000000000000000000000000000000000000..55e2435f151406fe1d2264bda74e84accc5a791a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/383.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:671cc57eb6a4cda23262d7cdbcf251abb4d2448193d5bf617b0bc3cafef4267a
+size 325515
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/384.png b/NextStep-1/NextStep-1/cn/Part6/Complex/384.png
new file mode 100644
index 0000000000000000000000000000000000000000..fcab185795beacb8a44c8d06a53b112c184dc2db
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/384.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f3e799f46e9da5deef7d8494bb3269f3bd33af0214ac28957e768f99594b9368
+size 282590
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/385.png b/NextStep-1/NextStep-1/cn/Part6/Complex/385.png
new file mode 100644
index 0000000000000000000000000000000000000000..82a4092d1f21b780168f8bd5801eab8707e6b950
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/385.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7deb2e4d12369681e7570326a1882d3254523e27038777242ed988b2d6c7f751
+size 345122
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/386.png b/NextStep-1/NextStep-1/cn/Part6/Complex/386.png
new file mode 100644
index 0000000000000000000000000000000000000000..d046c9b372154b28490d48eacac892e1571dc21c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/386.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d19b4122063a220cf147811ae3d7308fd2f670a9213cfa225071e73407898a24
+size 265418
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/387.png b/NextStep-1/NextStep-1/cn/Part6/Complex/387.png
new file mode 100644
index 0000000000000000000000000000000000000000..519bdcfc4506ec1c63857ee6ff0dbd4b5c999014
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/387.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f7f1f9bd58c1a1994b3f865e4b0949474d80b27b70ec1c97f49921255b5c76ad
+size 279557
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/388.png b/NextStep-1/NextStep-1/cn/Part6/Complex/388.png
new file mode 100644
index 0000000000000000000000000000000000000000..eb588910a5ae72c3f9078235ba179c0f0297ae9f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/388.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f866d92bf68fc47d6975aa43e81b954944ea4b5a38e808e45240223c4ef1fb65
+size 399931
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/389.png b/NextStep-1/NextStep-1/cn/Part6/Complex/389.png
new file mode 100644
index 0000000000000000000000000000000000000000..f8f71cb8d33db16fea7db4352c9a02b2edbcb338
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/389.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d775f0aae80b425ccf1324ad344c5461e52c6ce0154181ad52b812a4d3ba6849
+size 290827
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/390.png b/NextStep-1/NextStep-1/cn/Part6/Complex/390.png
new file mode 100644
index 0000000000000000000000000000000000000000..e5dc2247a95e892c870645265392afa7b4ad1dee
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/390.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef5df7ba0e9ad22c816065178fdaf2c274125ef4575858e2389e80a620669afb
+size 313311
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/392.png b/NextStep-1/NextStep-1/cn/Part6/Complex/392.png
new file mode 100644
index 0000000000000000000000000000000000000000..45dd3a7647e8738579e2179046b44c9619652c63
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/392.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1306b85c9c6d26bfd7aa8f6f0dc2f22122d7899500f2f0f103c9e193f4e9ea87
+size 408287
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/393.png b/NextStep-1/NextStep-1/cn/Part6/Complex/393.png
new file mode 100644
index 0000000000000000000000000000000000000000..2dfc00aec3602f524e7acd7f0f344938e240ef74
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/393.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44b7475320028ec83f78c75ca36878b95f41ea1bed36984940358a0b0e0772cc
+size 380042
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/394.png b/NextStep-1/NextStep-1/cn/Part6/Complex/394.png
new file mode 100644
index 0000000000000000000000000000000000000000..30001d5309854a96b87140a124e345f3fb0e2ba0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/394.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f28de4497b4866d1ace3e15d14e13e4938ebba8e9423a9cf9f246733d9835f55
+size 311733
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/395.png b/NextStep-1/NextStep-1/cn/Part6/Complex/395.png
new file mode 100644
index 0000000000000000000000000000000000000000..5d02d572863139b9149e93fc083745ed0b8c8361
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/395.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4c8a4cb1c46f59db42ad18789c04b9089caf253476ed5e485e90f8f3622a2b49
+size 244205
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/396.png b/NextStep-1/NextStep-1/cn/Part6/Complex/396.png
new file mode 100644
index 0000000000000000000000000000000000000000..6c079d345cc1c49735bed50e4052741893ea11a5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/396.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd19fa174f94fdc61a90f9595dea42a910c427ec551e028110442deac351f2df
+size 386800
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/397.png b/NextStep-1/NextStep-1/cn/Part6/Complex/397.png
new file mode 100644
index 0000000000000000000000000000000000000000..78f9699f84f12ac6058ebb85cc70ef8cc0f0b8e4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/397.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:86d47eaeb8e4c86af3b006452b4b526db0c7d24276bde4e528c82367850a18da
+size 319601
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/399.png b/NextStep-1/NextStep-1/cn/Part6/Complex/399.png
new file mode 100644
index 0000000000000000000000000000000000000000..bc2adc45661e8accb4674976c7152d64ec66d36c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/399.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d8c8c26d5b2637cafc89c68d11f86e1c63d5e60715ec851562ee02bb9d39b016
+size 262179
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/400.png b/NextStep-1/NextStep-1/cn/Part6/Complex/400.png
new file mode 100644
index 0000000000000000000000000000000000000000..cc26e7a8fe39678a09ec65a9bd0eefa477858d39
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/400.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fa43c1fcccf7a8530c0454a070d52b6a1e663491cb84aa007da6b4c9af4cb181
+size 364855
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/401.png b/NextStep-1/NextStep-1/cn/Part6/Complex/401.png
new file mode 100644
index 0000000000000000000000000000000000000000..17b02cad0be22dd21a1cc7f459179e74fb9bf62d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/401.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1371fd47c806cef8d3325be1cf584ffefb9f64e7f31f2e7f48d9f1543eebf123
+size 354029
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/402.png b/NextStep-1/NextStep-1/cn/Part6/Complex/402.png
new file mode 100644
index 0000000000000000000000000000000000000000..a4c71e1aae9882c8d3547ced7a4db5917d35bd0e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/402.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8488958f32a23dbeaf3c044fc24fdcfea21fbb3af875a506f72be2a5cf855f3e
+size 322766
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/403.png b/NextStep-1/NextStep-1/cn/Part6/Complex/403.png
new file mode 100644
index 0000000000000000000000000000000000000000..0dbcce39ae5d95adb8eb0b05080fc78664115c37
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/403.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:204288b34241f2a5d3706a1aad33d9b31eb8b5386270c8f637a1c2fb30f04186
+size 338886
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/404.png b/NextStep-1/NextStep-1/cn/Part6/Complex/404.png
new file mode 100644
index 0000000000000000000000000000000000000000..30fc7a70efa2f12068d1549ca8a7b5c054f7bebc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/404.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:17fe7635e2ba49e478e7b03a4f91f8e71fa1ce7d454f25a111ceea482075de23
+size 342823
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/405.png b/NextStep-1/NextStep-1/cn/Part6/Complex/405.png
new file mode 100644
index 0000000000000000000000000000000000000000..148b6c03293972851ae34c3971e229174917fb34
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/405.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cbeb56ff8157cdf4e42d0da8e0bcafe705d8617d42ca4a69e522009cba26dc53
+size 371623
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/406.png b/NextStep-1/NextStep-1/cn/Part6/Complex/406.png
new file mode 100644
index 0000000000000000000000000000000000000000..45222717df3a90f0e081b703d3fdf693e003c02b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/406.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:37ac4309f1ea2280ed94db83c36daae79899a152b915e797f553038e11afe780
+size 393037
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/407.png b/NextStep-1/NextStep-1/cn/Part6/Complex/407.png
new file mode 100644
index 0000000000000000000000000000000000000000..c0a333ccdd719b1319a319430e296d26d433d6d4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/407.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f0c2aa6f89854667f7c609b82373dd2ee484e713557b8ec4d2e5daef0d7d875
+size 281630
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/408.png b/NextStep-1/NextStep-1/cn/Part6/Complex/408.png
new file mode 100644
index 0000000000000000000000000000000000000000..77555948d78a09bff8b3fe1f66aaade5719f1fc2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/408.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fa38b4d3528031135a3dd869ac92a0034322a95a6252feefb96122e3c612969b
+size 370384
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/410.png b/NextStep-1/NextStep-1/cn/Part6/Complex/410.png
new file mode 100644
index 0000000000000000000000000000000000000000..6b5bd7953b3733ef21de18183cc9c1947d086cc3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/410.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:888ad7858b4a2306958609cf44da7dcfe2b326c7a8866afcbe81d651bb801c35
+size 341579
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/411.png b/NextStep-1/NextStep-1/cn/Part6/Complex/411.png
new file mode 100644
index 0000000000000000000000000000000000000000..296cf829e8de5def0c6252f0ff91d4c448ba9556
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/411.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:efcb767c06abd9c2dae28ac635bec1574f4082aa62d20bbd1e52b84d4e292a80
+size 422238
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/412.png b/NextStep-1/NextStep-1/cn/Part6/Complex/412.png
new file mode 100644
index 0000000000000000000000000000000000000000..593e9dbd81ad4226f272ec3d83ad9daa1288f700
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/412.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3cd6163a76042a292b212c251291cabe666b8cc9aa7a32583122ff0c16f106c0
+size 348006
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/413.png b/NextStep-1/NextStep-1/cn/Part6/Complex/413.png
new file mode 100644
index 0000000000000000000000000000000000000000..acb0794d5334dea209b9595b4be78857e2537288
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/413.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fb0d3f15d496f0f2e7d8fdabe623da8f7604de3534836137729e96b2c5f92d04
+size 302722
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/414.png b/NextStep-1/NextStep-1/cn/Part6/Complex/414.png
new file mode 100644
index 0000000000000000000000000000000000000000..d409737d60e2a7992dd9a75b4973464365fd66a6
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/414.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:71f9d914ca2ed197fca8643388a0f56ef459eedb4540c37e595c597f5ee9fe27
+size 383349
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/415.png b/NextStep-1/NextStep-1/cn/Part6/Complex/415.png
new file mode 100644
index 0000000000000000000000000000000000000000..d8f686e710a8ff16a719a7d2bb07405ddcfd6824
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/415.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:19ea2f9ac0dbfda3e8a86ab4fd4c488cd60cd97525f50ab577f02fca77d0bf93
+size 339080
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/416.png b/NextStep-1/NextStep-1/cn/Part6/Complex/416.png
new file mode 100644
index 0000000000000000000000000000000000000000..3abe08aecf24730ed69cfd8b705cde5dfebbdada
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/416.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cbd1547406959a34e5ed3e836770c78c529d5edbb0ccf3848662d502873ea5b5
+size 373833
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/417.png b/NextStep-1/NextStep-1/cn/Part6/Complex/417.png
new file mode 100644
index 0000000000000000000000000000000000000000..73e00e052fdce5dad1e12c101e53b697b2dede40
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/417.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2195d0bb974942c42c6aa3b592e53e874f4d9a569a7516f753a3e1c84274537b
+size 388707
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/418.png b/NextStep-1/NextStep-1/cn/Part6/Complex/418.png
new file mode 100644
index 0000000000000000000000000000000000000000..723433ed8c5809608a0423e456790f84fa553dbf
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/418.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8af8db925b6927beae4a97f323ce70c9c85644c6bf0651d08d53fc9ad75a2715
+size 394794
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/419.png b/NextStep-1/NextStep-1/cn/Part6/Complex/419.png
new file mode 100644
index 0000000000000000000000000000000000000000..d4d49e60b29759215eeef98da5af97cda06850ea
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/419.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5b95118f5e9eb124709acb245d80a5330b567fe84d554188e810ab896912394b
+size 481106
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/420.png b/NextStep-1/NextStep-1/cn/Part6/Complex/420.png
new file mode 100644
index 0000000000000000000000000000000000000000..298497ec0d7e0b40e82589ced60d166e7b80a172
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/420.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b3ccd56726a9369ce2749132ebe4431a1188510b773114ca36647d863cff304f
+size 369800
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/421.png b/NextStep-1/NextStep-1/cn/Part6/Complex/421.png
new file mode 100644
index 0000000000000000000000000000000000000000..1201885ca1160f6a378340c88fdf8a7e96e140b0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/421.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6b686355bb50ea93f0742c595e077606bf337ca78516ec12345a1202795f19d8
+size 390723
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/422.png b/NextStep-1/NextStep-1/cn/Part6/Complex/422.png
new file mode 100644
index 0000000000000000000000000000000000000000..53acc49b2707170064eae80550360c1f4df1f562
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/422.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:703139c238034befbd61ef31f5f3e4054e8e64a77018420a47f311b6ea535e19
+size 445042
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/423.png b/NextStep-1/NextStep-1/cn/Part6/Complex/423.png
new file mode 100644
index 0000000000000000000000000000000000000000..6a0bfbd8c474ea58f98a5b9995b3aa862b7a78cf
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/423.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e6206383a90b90d93e29277b92ee10eddc812a42296fb6ccc872cb1bc19b5cbe
+size 388142
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/424.png b/NextStep-1/NextStep-1/cn/Part6/Complex/424.png
new file mode 100644
index 0000000000000000000000000000000000000000..e7c7bd893205923bd6163137ef34df2b1986f32e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/424.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:713f18a8f62936384f7113560d5f5feb057c63242160c27d08113395cd6ed1ce
+size 268677
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/425.png b/NextStep-1/NextStep-1/cn/Part6/Complex/425.png
new file mode 100644
index 0000000000000000000000000000000000000000..ae1d3f6644b32ba50d4e62558aeeb78eeb1add4f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/425.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:eb13fc6af4826d88654a0b91360fce0ebfae86ffa22b79b29575ba10ea17dd7c
+size 300753
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/426.png b/NextStep-1/NextStep-1/cn/Part6/Complex/426.png
new file mode 100644
index 0000000000000000000000000000000000000000..8b0d1c9c0733f971a331e809045459710c6e36c4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/426.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1912294c07cce21c83aa3981fd8bb151991b62ad9471dba74b3967cb4e6e70ef
+size 452690
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/428.png b/NextStep-1/NextStep-1/cn/Part6/Complex/428.png
new file mode 100644
index 0000000000000000000000000000000000000000..ad4c979bcc3240c37f02750a304260b498a332dd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/428.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fdfbfdc3bcf08afd5ab7c6e42a5c0015fa91586a5ca0acae32a922f747add764
+size 364206
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/429.png b/NextStep-1/NextStep-1/cn/Part6/Complex/429.png
new file mode 100644
index 0000000000000000000000000000000000000000..834c73a13ead8c6c291c5e0be6aa1b6bab9c73b3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/429.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb9dee3d07cfcfa5d771b2e018d4985ac83fd009b12ee44b86e6950a5dbf23d0
+size 320893
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/430.png b/NextStep-1/NextStep-1/cn/Part6/Complex/430.png
new file mode 100644
index 0000000000000000000000000000000000000000..761a87e6478a92bc679d75e128b39cb8558e2ab5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/430.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11b2e807002c704bad0be1a99b50582bb880572e9a11bf5a6804d4502e8e19b1
+size 451185
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/431.png b/NextStep-1/NextStep-1/cn/Part6/Complex/431.png
new file mode 100644
index 0000000000000000000000000000000000000000..677c926936261f1acabcaf0eec1413a363d72bac
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/431.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:509dae95d90cd8fe933e1c20a0169b1fa57115bb8a6469c6bdcb80532905a942
+size 427801
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/432.png b/NextStep-1/NextStep-1/cn/Part6/Complex/432.png
new file mode 100644
index 0000000000000000000000000000000000000000..6cf647440f6b82ca78f8346646b20eebfaf1c41c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/432.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fca1ed4c48d526e934dc4f298e031b19cb3a972206cf32d626e742bf0918b574
+size 446890
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/433.png b/NextStep-1/NextStep-1/cn/Part6/Complex/433.png
new file mode 100644
index 0000000000000000000000000000000000000000..6fb8eef454359610525300eae784a618c3a91202
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/433.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:beaebd1bec2425fb1dfaf0a98f433cbf6a411d9c361c665b524b4c3419620b01
+size 456925
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/434.png b/NextStep-1/NextStep-1/cn/Part6/Complex/434.png
new file mode 100644
index 0000000000000000000000000000000000000000..8b9fc3cfee27bcafb6b287af521fad85828e193d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/434.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9dcc6736c45acde053562b7b68449187294d49c542921f2b6fd5f0e5db2ec43d
+size 395134
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/435.png b/NextStep-1/NextStep-1/cn/Part6/Complex/435.png
new file mode 100644
index 0000000000000000000000000000000000000000..41b2e73e51c59ca922ce9872088b8fa2b402377f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/435.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b2a24f1ce028a0782938e5680a9b72241948c04549979e32cbfbbb6d612c201a
+size 419917
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/436.png b/NextStep-1/NextStep-1/cn/Part6/Complex/436.png
new file mode 100644
index 0000000000000000000000000000000000000000..b6614c7c51ad6c2066de8b480f11b5c9522168d2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/436.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d8fe6a25610eda693441c554fc56fbb4e211c67f45dbb92a94bb7809e315432e
+size 397316
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/437.png b/NextStep-1/NextStep-1/cn/Part6/Complex/437.png
new file mode 100644
index 0000000000000000000000000000000000000000..f0d812b8dd99d89fc291e1e6bc7acff1f9f21d2e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/437.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d6f5475a8fb2766c7aaccc0155239cbb87392dcdc87bb232d207219a89806b2
+size 445341
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/438.png b/NextStep-1/NextStep-1/cn/Part6/Complex/438.png
new file mode 100644
index 0000000000000000000000000000000000000000..f29ad6ce3d0b04cb8d8743e236652d0bfef6eb1f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/438.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9d45ecf8cc2bf647eba75519b03a7629d111b0484454d09b97fb3c2f67026cd6
+size 362804
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/439.png b/NextStep-1/NextStep-1/cn/Part6/Complex/439.png
new file mode 100644
index 0000000000000000000000000000000000000000..030bcaa90e7b4324d3b4e6e694d85cf4112acd5b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/439.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:419fd815c4dbc0c8351969c283f59502adcb84afdc00ceb603db1918e528f579
+size 347249
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/440.png b/NextStep-1/NextStep-1/cn/Part6/Complex/440.png
new file mode 100644
index 0000000000000000000000000000000000000000..ac450bf55c423ad2304846bafe46d3abb03bf221
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/440.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f34e4d9baa8f608607f660740d3c8733e5c2fbb00fcce984062337a1cfd48e0f
+size 445761
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/441.png b/NextStep-1/NextStep-1/cn/Part6/Complex/441.png
new file mode 100644
index 0000000000000000000000000000000000000000..40320a45833e2125ba9a967d8410bd32a7054589
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/441.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:adf60ed482235d66597eaa4818bd560ccbf56793cc05a79eda2b40fecfb203eb
+size 434417
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/442.png b/NextStep-1/NextStep-1/cn/Part6/Complex/442.png
new file mode 100644
index 0000000000000000000000000000000000000000..16274d5129252ff1538bed4aa2d0803ea140464a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/442.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0b498cc961f0c58a6be66f53f0789bdd576caf0c29b9dd97d7e19fb46d535c81
+size 509004
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/443.png b/NextStep-1/NextStep-1/cn/Part6/Complex/443.png
new file mode 100644
index 0000000000000000000000000000000000000000..94ae40a67e195073de48df99e3742380674c6740
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/443.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a15a6a5b407869aff80fc02361cda7a5d13510bcc9fd163ac66c7073da906dc6
+size 479551
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/444.png b/NextStep-1/NextStep-1/cn/Part6/Complex/444.png
new file mode 100644
index 0000000000000000000000000000000000000000..b307c754d373bbc1b507a98bf8606fffff4920b6
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/444.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f16696a33e3dece430f12a3c7e4d1e4ab3ad1f6bbfff9dff8007de35ab84057f
+size 463018
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/445.png b/NextStep-1/NextStep-1/cn/Part6/Complex/445.png
new file mode 100644
index 0000000000000000000000000000000000000000..75fb36f5713e59a73008c7bc5c16c761dafd366e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/445.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9909a7197886cab740865f4f900512628b79811ca4815bd527f57c2373a2d564
+size 336596
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/446.png b/NextStep-1/NextStep-1/cn/Part6/Complex/446.png
new file mode 100644
index 0000000000000000000000000000000000000000..a3446c59c0d7c4b30f6dcae8df8354e1a9c2bc7c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/446.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3f66ae0789e23d8426a2d1e5bf5c16d56841faf72dbc63e910a5d3ab1bd7fe6
+size 428515
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/447.png b/NextStep-1/NextStep-1/cn/Part6/Complex/447.png
new file mode 100644
index 0000000000000000000000000000000000000000..da1f1ccdcea93e8366ea88ef5674da5a430d4717
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/447.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5ccb14a6b49acb8e83d3e156d9dc0ae4574c1be5e4b5a0692a64b1bf538597a4
+size 412084
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/448.png b/NextStep-1/NextStep-1/cn/Part6/Complex/448.png
new file mode 100644
index 0000000000000000000000000000000000000000..bc5e85e3155ef9ba372f4175ce11da650e80f67e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/448.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f56fdb33f2a1180d2736cf6ee088d03aa870c6c30d9943f5f6c7092447bd7a59
+size 412659
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/449.png b/NextStep-1/NextStep-1/cn/Part6/Complex/449.png
new file mode 100644
index 0000000000000000000000000000000000000000..b9b15c0ee2869a57471c06f90f7cfe56c53af70b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/449.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:199f68e979a57c43782fcfc2452ba01650abc5e6eb2e8af9eebfc3bd334a2830
+size 381915
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/450.png b/NextStep-1/NextStep-1/cn/Part6/Complex/450.png
new file mode 100644
index 0000000000000000000000000000000000000000..4d8db961b867670b99eb446c028a9ba1670c34a7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/450.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8302b531e463923d5b6942f7740a05576c9b4ae3ab254fd989d4bbf6cd2e6324
+size 487569
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/451.png b/NextStep-1/NextStep-1/cn/Part6/Complex/451.png
new file mode 100644
index 0000000000000000000000000000000000000000..acd6b8d98547949d61151729faf2c8df306d703c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/451.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:432d51e017a864b8a21f827d2eea93bb5b60ca14260523980e74bffb7ae5de07
+size 427958
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/452.png b/NextStep-1/NextStep-1/cn/Part6/Complex/452.png
new file mode 100644
index 0000000000000000000000000000000000000000..fa983a3163dd62814b981f4285e04661552089b4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/452.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e8ca4723b7db9b6c5a0f77531146edb51a3d48c0f7b857aed18df9b5d9bab95b
+size 406728
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/453.png b/NextStep-1/NextStep-1/cn/Part6/Complex/453.png
new file mode 100644
index 0000000000000000000000000000000000000000..3962d4d4fc7e073c7789f0e3b2db6c13def34426
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/453.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0fe743f166a549becff6deb0c7f16f84d7f52bccfe9c984cbc0e65e856cae6c4
+size 396241
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/454.png b/NextStep-1/NextStep-1/cn/Part6/Complex/454.png
new file mode 100644
index 0000000000000000000000000000000000000000..f784951c53e4400ef1b6b72a51db5d25a9f883ec
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/454.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a9236e280f310ba27833c3bf2dbafb18308431b24b9624e2af1908245b609494
+size 351543
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/455.png b/NextStep-1/NextStep-1/cn/Part6/Complex/455.png
new file mode 100644
index 0000000000000000000000000000000000000000..fdf609ae1a9e6cde58eec79d59671cd290ef7609
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/455.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:76344a127420e71f471b0f001ef83edaea2cf6526fe545ced858a313900fa844
+size 402995
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/456.png b/NextStep-1/NextStep-1/cn/Part6/Complex/456.png
new file mode 100644
index 0000000000000000000000000000000000000000..76814bfe97bc048e61b13028b9f37351e814cda4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/456.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9bc36a978201623b519a880548bc4acdd357fb4e31550e1e27b613c82350e9b4
+size 440683
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/457.png b/NextStep-1/NextStep-1/cn/Part6/Complex/457.png
new file mode 100644
index 0000000000000000000000000000000000000000..f1a5c043816d4c932fa74ba3d84a3b965eb4e502
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/457.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0033c9ebbf10fd455891da3c0e41c16b2dcc7dead1db95bc9580cf3b4eaacf9c
+size 424578
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/460.png b/NextStep-1/NextStep-1/cn/Part6/Complex/460.png
new file mode 100644
index 0000000000000000000000000000000000000000..d10a2eab7ede98872cd8d1e78120ead1bac3ac14
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/460.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e2368f5b3b4e33fe8290a9cb3952c724107c256ca573b137fc1341e3769daaa
+size 384440
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/461.png b/NextStep-1/NextStep-1/cn/Part6/Complex/461.png
new file mode 100644
index 0000000000000000000000000000000000000000..88d4db95b1fe09998deb2530e4de7e036929de51
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/461.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a9297a9826977afa22036616ca6845a0f886dd7b1c1f2e087299838dddbe544
+size 456230
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/462.png b/NextStep-1/NextStep-1/cn/Part6/Complex/462.png
new file mode 100644
index 0000000000000000000000000000000000000000..a07f2aa463287edf4c3d5ba4e935f9527e5205a4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/462.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:08b80c2e49ca7330b4e36bf099552dfbac79867a242ce163c80c7e172033dcd8
+size 431026
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/463.png b/NextStep-1/NextStep-1/cn/Part6/Complex/463.png
new file mode 100644
index 0000000000000000000000000000000000000000..b3053b29e8436d73108af62c53bc7b306103d001
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/463.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e401786252eb6a8cce632179b14e08eb4edf88d9a657d145680ff34851ad196a
+size 435849
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/464.png b/NextStep-1/NextStep-1/cn/Part6/Complex/464.png
new file mode 100644
index 0000000000000000000000000000000000000000..da2d7953d1e6a06289abd912bad16f7432e02fbd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/464.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d80fec8b535015f898857118993b0478d129285950a051d639a3d17db0050f63
+size 327732
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/466.png b/NextStep-1/NextStep-1/cn/Part6/Complex/466.png
new file mode 100644
index 0000000000000000000000000000000000000000..87991f05a6d5ee85c37722e170e9d367c6061849
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/466.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:99f6f3e052ca7bb7f9fb4d7ff5dbdb4e2704304a09292e37b66b1349d1df51ae
+size 494049
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/467.png b/NextStep-1/NextStep-1/cn/Part6/Complex/467.png
new file mode 100644
index 0000000000000000000000000000000000000000..cb43509f805f1ff2be16edb7aca90586f051ec0c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/467.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11369b26dca38b74e9b8049b9b8fb290c0ea9cf79b127924618b25cda42f34e3
+size 397049
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/468.png b/NextStep-1/NextStep-1/cn/Part6/Complex/468.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a71be75f523b45a055ebcbc97ab3ae44f0230de
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/468.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2b482a86d2956c00d81a5ae7b21ee4b5cc4bc28938bf60d31d4f10438c80ddd7
+size 446522
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/469.png b/NextStep-1/NextStep-1/cn/Part6/Complex/469.png
new file mode 100644
index 0000000000000000000000000000000000000000..7fd10fcfa3a653ee6baa5d69e545d17bb120c3ab
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/469.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:afde35e640b22e13a74a42849f5cf025e4fc3e320d67685789483c3343388c22
+size 442825
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/470.png b/NextStep-1/NextStep-1/cn/Part6/Complex/470.png
new file mode 100644
index 0000000000000000000000000000000000000000..e20785f8d6516be455dc523e80a44fc52b603b63
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/470.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9bba0af2b6c5fbae82d47d8e9b4cf750782e3e1d940fd503558ec514b21abff
+size 489300
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/471.png b/NextStep-1/NextStep-1/cn/Part6/Complex/471.png
new file mode 100644
index 0000000000000000000000000000000000000000..63bed2e4c48b131300efc8e4e96cd76a24414f23
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/471.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ed40088fe116eb961d36e1eee1c8bd397aeec6e3450f23001fd9f7d5b2688669
+size 442172
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/472.png b/NextStep-1/NextStep-1/cn/Part6/Complex/472.png
new file mode 100644
index 0000000000000000000000000000000000000000..251b327f7eea1636d0ba2f269a08c473e4262ed5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/472.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bb19f5fd95375d52fe3b70068002998e05140c5f56c99a02bea830bfba77a53f
+size 463902
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/473.png b/NextStep-1/NextStep-1/cn/Part6/Complex/473.png
new file mode 100644
index 0000000000000000000000000000000000000000..5ca4fce5ac73330b49600014d176275f6b098c17
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/473.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ee68ac337d4f782a34301847a9cd8742d66afcb13c1ce04bc48222682eb81a99
+size 424888
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/474.png b/NextStep-1/NextStep-1/cn/Part6/Complex/474.png
new file mode 100644
index 0000000000000000000000000000000000000000..f8ceb5e854cccde4d75340bd119965408426101d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/474.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:430729cf1f5de17ec1b187eb416ba2b15fc50f41b6d437a303950b5272bde4cc
+size 407738
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/475.png b/NextStep-1/NextStep-1/cn/Part6/Complex/475.png
new file mode 100644
index 0000000000000000000000000000000000000000..c438c1f5d181cbc0db912ccbde1d417ac96ce05b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/475.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a62795eaa0845d96e29d5bc9f79a8692300a160506178ac423da5f4f38729250
+size 454221
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/476.png b/NextStep-1/NextStep-1/cn/Part6/Complex/476.png
new file mode 100644
index 0000000000000000000000000000000000000000..0e8f314f815711c81d70d5142b584e32e4f473fe
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/476.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2e70376ba3f8eb599ed4ed5adc8a58d8be1c7ed217d7291506f4c1b2dce0b2ca
+size 390332
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/477.png b/NextStep-1/NextStep-1/cn/Part6/Complex/477.png
new file mode 100644
index 0000000000000000000000000000000000000000..ad9ee13f2fcd2616862bcdc243c3869c842e16ba
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/477.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:72211b245d91614dc4791c1670cd3b4f7ead91aa4dcbad9c47d899fe130729fa
+size 457972
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/478.png b/NextStep-1/NextStep-1/cn/Part6/Complex/478.png
new file mode 100644
index 0000000000000000000000000000000000000000..6c12012e42032034a5df66969f85c25f530e9151
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/478.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e2c3f1627f6529a9686996375cff732cb64025664ec3efd5038fb64e40fcfe42
+size 423895
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/479.png b/NextStep-1/NextStep-1/cn/Part6/Complex/479.png
new file mode 100644
index 0000000000000000000000000000000000000000..4bcc61fef5b8e6dbc3d7adb269cff33274189343
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/479.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2ee682597c38717624080e9a4735dcea3ad4df28be7a322a33f9882468c31e04
+size 386371
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/480.png b/NextStep-1/NextStep-1/cn/Part6/Complex/480.png
new file mode 100644
index 0000000000000000000000000000000000000000..04c1aa7ad2f2e073d9c98947318c62639d7c8bf3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/480.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9eb8da5f435969f856fa7c0b0d6ee3d3455bf7801ee2c380a8d0d092caeeb952
+size 449880
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/481.png b/NextStep-1/NextStep-1/cn/Part6/Complex/481.png
new file mode 100644
index 0000000000000000000000000000000000000000..a0135adc6784d12e40727d0fedf7e4a11bf7ec1e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/481.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9387356b50f342b44d3c9c3745221c5beced473b9044be8b21afeb31922d67a
+size 416218
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/482.png b/NextStep-1/NextStep-1/cn/Part6/Complex/482.png
new file mode 100644
index 0000000000000000000000000000000000000000..d713a06def815d96f1039c4d61bb9a93f5122311
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/482.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:48b646110eb58722ce9a406def9167f6746cd16c171a098aed0fa923a545ef01
+size 433513
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/483.png b/NextStep-1/NextStep-1/cn/Part6/Complex/483.png
new file mode 100644
index 0000000000000000000000000000000000000000..c28311078f15826201cc1428c4e944e22020a0eb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/483.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3a5f29661b57187b202b0f089cb630bf65bdf249a5f64deb90d36e675ec5e018
+size 412148
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/485.png b/NextStep-1/NextStep-1/cn/Part6/Complex/485.png
new file mode 100644
index 0000000000000000000000000000000000000000..f32cbc6b5d32743254328517972271c7b4611952
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/485.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f9127272d04c10273f6f6dcfc4de9c1e4192fc00d3ee459c8fbbc640a62366a
+size 468449
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/486.png b/NextStep-1/NextStep-1/cn/Part6/Complex/486.png
new file mode 100644
index 0000000000000000000000000000000000000000..fe73ac0a4af5a63e4658533b96a3736bad34b9ed
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/486.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:724b7885890d64cdcd1b283bf992d9e7c9a638c98f7c69e118394f2582a0bf5e
+size 420546
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/487.png b/NextStep-1/NextStep-1/cn/Part6/Complex/487.png
new file mode 100644
index 0000000000000000000000000000000000000000..a08a3a877bfd941451950a3031fbcfc289a37378
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/487.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d469080d6d6be570bcdc37ad029959806d1756f82011c35d73df65a5691cd729
+size 458185
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/489.png b/NextStep-1/NextStep-1/cn/Part6/Complex/489.png
new file mode 100644
index 0000000000000000000000000000000000000000..b8c3b7185b47b8de79abb91a5b64d5090cf4673b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/489.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c349e1b9df632b6812ccd1f723fd830132ed147e87f37f78fe1976917bdeea81
+size 439847
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/490.png b/NextStep-1/NextStep-1/cn/Part6/Complex/490.png
new file mode 100644
index 0000000000000000000000000000000000000000..faf0617e723c03a6413aea10d2666fae2a9157de
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/490.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aa25802fcea3583f3fcee7e42d84e7143f273c239adf9be736b509037ad6e477
+size 389540
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/491.png b/NextStep-1/NextStep-1/cn/Part6/Complex/491.png
new file mode 100644
index 0000000000000000000000000000000000000000..fc48b9a5b02093af5849bc6a11c2a2ec484ab57f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/491.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d697acebc4e92ddae05f2804b26bf1c6f84772a69fea37c30d86f4082d16df27
+size 465093
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/492.png b/NextStep-1/NextStep-1/cn/Part6/Complex/492.png
new file mode 100644
index 0000000000000000000000000000000000000000..f429e9a84639fb16fb4040763f23851bf47923da
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/492.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:160bfb995667c37733aaa6de2e5c800a88a5c439195e1f5d21a00332d30cf7eb
+size 372008
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/493.png b/NextStep-1/NextStep-1/cn/Part6/Complex/493.png
new file mode 100644
index 0000000000000000000000000000000000000000..12cb17c6d258a629dc62da2acdbf8c6fcdc9c03e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/493.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7850474f144e9926a8d0bddb89de72a6ccd42813f68513e8d7f31a7e39f95d16
+size 460894
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/494.png b/NextStep-1/NextStep-1/cn/Part6/Complex/494.png
new file mode 100644
index 0000000000000000000000000000000000000000..b37b9d4538383d90f21b390177a3e43b0bf3d66a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/494.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5a3975de20979b0476d58d555065ea98c48d4e7fe88c531b3afc09d80931baec
+size 451487
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/495.png b/NextStep-1/NextStep-1/cn/Part6/Complex/495.png
new file mode 100644
index 0000000000000000000000000000000000000000..547c5a75aba2b85c2ef0e0ba686ca8b7acfc483f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/495.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5fd26c35c963085a3ae0bddf34ff0958279b4649866a845df0bcc12e7f9aeb49
+size 388773
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/496.png b/NextStep-1/NextStep-1/cn/Part6/Complex/496.png
new file mode 100644
index 0000000000000000000000000000000000000000..277714314c3d7826529077b745775488a20b8570
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/496.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c27cc5aa0c0b80fbcfe6427c95d8f535669e6d198ec680d220df7f84a1b292fc
+size 392527
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/497.png b/NextStep-1/NextStep-1/cn/Part6/Complex/497.png
new file mode 100644
index 0000000000000000000000000000000000000000..e6df94d53a2066862361e95b77ca99b67b9f5edd
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/497.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:11c9ef46b2e386645aa909c57174cb00b28b2e7a22be4a57612261ac3901801f
+size 395425
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/498.png b/NextStep-1/NextStep-1/cn/Part6/Complex/498.png
new file mode 100644
index 0000000000000000000000000000000000000000..3810f3a49cf8083c66f727382238dda66e000caa
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/498.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1a754d31b5a957f74a001a7b9edc51aa3caa461a28115d312768d63050d2099b
+size 444710
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/499.png b/NextStep-1/NextStep-1/cn/Part6/Complex/499.png
new file mode 100644
index 0000000000000000000000000000000000000000..0ca6f48f38ef3448fdbbe947dbe38c640d5a04bc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/499.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2f2e9f81cd57748001d9987c8d05bc311efb97d19fa81b53de1c5f76cb7cd260
+size 378827
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/500.png b/NextStep-1/NextStep-1/cn/Part6/Complex/500.png
new file mode 100644
index 0000000000000000000000000000000000000000..3e7b6418fbf6a08dd9757c9fe6a2e73753a35991
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/500.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:888db07c1631a73b657e8e4111ced39548ae84511bb0d15d5c5cc9e9ef03f69e
+size 363551
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/501.png b/NextStep-1/NextStep-1/cn/Part6/Complex/501.png
new file mode 100644
index 0000000000000000000000000000000000000000..a25098457d7fb3bc7aebc58da9076f56ff6612ce
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/501.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2215a4a6aa855847b90e6d993400df10c67d40fc87c3533b94f63b9e99d3e635
+size 403937
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/502.png b/NextStep-1/NextStep-1/cn/Part6/Complex/502.png
new file mode 100644
index 0000000000000000000000000000000000000000..cbae392785af0816446b0841cf4be13aa2e67d22
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/502.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:61408f245e5cbf90c3bb54bbc488abb94032b37ad0ec617679b368c89ff2189d
+size 425035
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/503.png b/NextStep-1/NextStep-1/cn/Part6/Complex/503.png
new file mode 100644
index 0000000000000000000000000000000000000000..fc096fd9d0a24b7a2686a0012af65f375d63788b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/503.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1e7647b65782b1db144a3130950971d865cdf89b1fd985f8b3f21dc86d68b083
+size 515803
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/504.png b/NextStep-1/NextStep-1/cn/Part6/Complex/504.png
new file mode 100644
index 0000000000000000000000000000000000000000..8d138d06126853b01286288cfe45b14ab049b258
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/504.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d00f2e42cf4250b6dfb3be7cfa9d538491a8fdb4fd6630a7c576695f4c5d69a4
+size 419954
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/505.png b/NextStep-1/NextStep-1/cn/Part6/Complex/505.png
new file mode 100644
index 0000000000000000000000000000000000000000..cc55bf000a4bce9c96d68edd7ae28bbdbe41e65d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/505.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0261e262f3b95c72c599da2d8c886f6232f59715eb6bcb4c7ea6515a52a7113d
+size 417396
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/506.png b/NextStep-1/NextStep-1/cn/Part6/Complex/506.png
new file mode 100644
index 0000000000000000000000000000000000000000..4148ed33c5c920db7aed2b945b638c42d8474efa
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/506.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d08020b925cff2cc6a3040bda88d0b80a494714643154557970835fdb7881a17
+size 345351
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/507.png b/NextStep-1/NextStep-1/cn/Part6/Complex/507.png
new file mode 100644
index 0000000000000000000000000000000000000000..ebaef8ea5c294ad3c9048a399e4af562af598c4b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/507.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2a164a9d67b5906366ab79fc6c29c4db821c02155d4cdadccc10a1bcb1d5ae3e
+size 380988
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/508.png b/NextStep-1/NextStep-1/cn/Part6/Complex/508.png
new file mode 100644
index 0000000000000000000000000000000000000000..ee46762c001005d1f182a51ff0b37046e44fa3ac
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/508.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bf76cf5f75f9c775f511bf8fc5a54f1fd6d733045d6b9b4e63a82e99f71b68d8
+size 412034
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/509.png b/NextStep-1/NextStep-1/cn/Part6/Complex/509.png
new file mode 100644
index 0000000000000000000000000000000000000000..bc5e85e3155ef9ba372f4175ce11da650e80f67e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/509.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f56fdb33f2a1180d2736cf6ee088d03aa870c6c30d9943f5f6c7092447bd7a59
+size 412659
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/510.png b/NextStep-1/NextStep-1/cn/Part6/Complex/510.png
new file mode 100644
index 0000000000000000000000000000000000000000..5a8a0e2c0acc124d26f14a67a849fed7587d3c53
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/510.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5e01ed458a72f8292b2c79230ab0265ddfa21ca08239950d4f5494676c0c73b2
+size 443543
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/511.png b/NextStep-1/NextStep-1/cn/Part6/Complex/511.png
new file mode 100644
index 0000000000000000000000000000000000000000..5ec2da96c1408b0bd26c74e8039d43453a5c3b38
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/511.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:21564c5a3ec623449b2cd8121d559a7a02700aa26fedb4ad86c685df0dae1b50
+size 514022
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/512.png b/NextStep-1/NextStep-1/cn/Part6/Complex/512.png
new file mode 100644
index 0000000000000000000000000000000000000000..d6a3e24c86cf2d90498e80797c8223b44bdb0b7a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/512.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7fd167f8af49049af088271798e72076fe75b34fdd2173c3e2ad280d524841f0
+size 466703
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/513.png b/NextStep-1/NextStep-1/cn/Part6/Complex/513.png
new file mode 100644
index 0000000000000000000000000000000000000000..bfafaf82d1e25c8cbb455e01087356dfc5ae63f2
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/513.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:07b74b6752ef5d50e5c19b37b85622181e8c7332601b18ce57a65e5781b4df4e
+size 396966
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/514.png b/NextStep-1/NextStep-1/cn/Part6/Complex/514.png
new file mode 100644
index 0000000000000000000000000000000000000000..3201eb935b03e4f9c27e3091dd0c3cba58a31237
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/514.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9252bf3f8b7bc90dd7b32de49a19e5ff2c242c024c8da3b8f99a961a103bfe03
+size 378986
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/515.png b/NextStep-1/NextStep-1/cn/Part6/Complex/515.png
new file mode 100644
index 0000000000000000000000000000000000000000..ddf038d67d4cd0fae079072127ebcb6fcaf06ec5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/515.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:62f19dbfc5ff18c270f71f59afc1008aa2d886fc94016a5a2777352fbf047bca
+size 364410
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/516.png b/NextStep-1/NextStep-1/cn/Part6/Complex/516.png
new file mode 100644
index 0000000000000000000000000000000000000000..d8d03babbf6fb9ba73f0e20fcb99fe8d455796fe
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/516.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8ff857ced05c8d23161a35d08e9eca179e5824ce96e110e0195cec3244f19b2b
+size 419547
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/517.png b/NextStep-1/NextStep-1/cn/Part6/Complex/517.png
new file mode 100644
index 0000000000000000000000000000000000000000..4298c9b1c7d71e519e9f36078a3d1ed9f20db7b1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/517.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:faf47392361c3e69333362cfa778bb1a450778e70a221b730f05e648a24eba30
+size 449274
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/518.png b/NextStep-1/NextStep-1/cn/Part6/Complex/518.png
new file mode 100644
index 0000000000000000000000000000000000000000..ff3ad47b6d640a051160c30e9661d28617bc0b23
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/518.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5302af487f0fa95f85234e1a00093b0097d07333027c5281bed9a552db012e66
+size 471247
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/521.png b/NextStep-1/NextStep-1/cn/Part6/Complex/521.png
new file mode 100644
index 0000000000000000000000000000000000000000..91e981e7b3dedb3407f74f28936aaf06d6f615f0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/521.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9cc76dd00502728512d3b4a4dc61b9c0f48995c45687b2f02fef0ccc338883c9
+size 367063
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/522.png b/NextStep-1/NextStep-1/cn/Part6/Complex/522.png
new file mode 100644
index 0000000000000000000000000000000000000000..f6a0393296e17e6a9ba25438dacf2ad12aa69091
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/522.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be77fbd67b08d7d2e0bb77b39915f16e7137e9f7e9e7bc9ac6454453021314c8
+size 457351
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/523.png b/NextStep-1/NextStep-1/cn/Part6/Complex/523.png
new file mode 100644
index 0000000000000000000000000000000000000000..92bd075d78068729735c1111dc7422cceb344af7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/523.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f53ad57bef566129d3d9ccf486fb2fb1db2a95e43c79cabeb963bd7db38837ba
+size 407274
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/524.png b/NextStep-1/NextStep-1/cn/Part6/Complex/524.png
new file mode 100644
index 0000000000000000000000000000000000000000..3aee4af0eecc4afa1f0145ff349eea1503174a32
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/524.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0e073089339e579e05d077839cda47b613504c1846d1fc5701870774fb9694fe
+size 429541
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/526.png b/NextStep-1/NextStep-1/cn/Part6/Complex/526.png
new file mode 100644
index 0000000000000000000000000000000000000000..03b90a59816b82bb8f7d27d789c4189794f90bb3
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/526.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f4e4d31c0e10f54fc07e4aff90481774da27cb16caa66f241e7cb5d1f8268e51
+size 415508
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/527.png b/NextStep-1/NextStep-1/cn/Part6/Complex/527.png
new file mode 100644
index 0000000000000000000000000000000000000000..91ae97991ab3cd6cf03a9354511fbfe31b6f2a8b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/527.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8e464606a2474ca2adaaebea8034298f9ef0915c9218b8b61121067cb2e5783d
+size 444233
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/528.png b/NextStep-1/NextStep-1/cn/Part6/Complex/528.png
new file mode 100644
index 0000000000000000000000000000000000000000..d0443339cc730b86d2613408d0572de3842bf2ab
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/528.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5a4b617683a6359214ec1897e9d55c675017406ddfd5da6e7b08ad29b1675215
+size 410078
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/529.png b/NextStep-1/NextStep-1/cn/Part6/Complex/529.png
new file mode 100644
index 0000000000000000000000000000000000000000..1a99e3ca5a822a5f2d0b16de42bd5b2c17744b24
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/529.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3bdaceb1d040c50c228365562861e161dd491684062973d93fa15fad08116cc9
+size 411201
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/530.png b/NextStep-1/NextStep-1/cn/Part6/Complex/530.png
new file mode 100644
index 0000000000000000000000000000000000000000..1521f3cb082a6181e7a4d85f0a67e66004b5355a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/530.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:09682c60131a95b3046bd6cefa39f006f3daab27f50230462c5487d744d83313
+size 438460
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/531.png b/NextStep-1/NextStep-1/cn/Part6/Complex/531.png
new file mode 100644
index 0000000000000000000000000000000000000000..e20785f8d6516be455dc523e80a44fc52b603b63
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/531.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e9bba0af2b6c5fbae82d47d8e9b4cf750782e3e1d940fd503558ec514b21abff
+size 489300
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/532.png b/NextStep-1/NextStep-1/cn/Part6/Complex/532.png
new file mode 100644
index 0000000000000000000000000000000000000000..ca42085f128b7fa6a730bf80a5d565c35bac5d12
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/532.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8710724afa8c8c006d066cf4827c68e9afb1b79c929e49cf1c4d5427f02c987d
+size 385485
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/533.png b/NextStep-1/NextStep-1/cn/Part6/Complex/533.png
new file mode 100644
index 0000000000000000000000000000000000000000..f558e879d6b21d291054ab2751d992b4460ff66c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/533.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:58e47dd4b4f10c22d33b0e4c0761d55638a42ff6df37e6eb686c638227fd9edf
+size 457799
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/534.png b/NextStep-1/NextStep-1/cn/Part6/Complex/534.png
new file mode 100644
index 0000000000000000000000000000000000000000..1f7a706f23dcfc3d00164fe7af7186481bd70747
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/534.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:607ebdc38854dbbb0e8e10acded4fdf79a2e8b36596faa371c22b6576765c09c
+size 379031
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/535.png b/NextStep-1/NextStep-1/cn/Part6/Complex/535.png
new file mode 100644
index 0000000000000000000000000000000000000000..9d0566923d810b9fed2155b8faee22dc90e6cb3a
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/535.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6e8e4e6e6cf42d287d1a1ebffc45d584a6c5901c73397dac537fcd02bef551e2
+size 404711
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/536.png b/NextStep-1/NextStep-1/cn/Part6/Complex/536.png
new file mode 100644
index 0000000000000000000000000000000000000000..f3665b5dad593df7c9b7f97c54bce92907519496
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/536.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:940cd201fa4932ebaa74e0006e50a17f3eb434f6bbb8560578316e73e97986a8
+size 470316
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/537.png b/NextStep-1/NextStep-1/cn/Part6/Complex/537.png
new file mode 100644
index 0000000000000000000000000000000000000000..b98181d407af4b40747423695734d13b0666f8ff
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/537.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f0be66125296bbb201ebb572172ecebc8c73997c7ebfe436bdd6b3efe8b4cb7e
+size 383872
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/538.png b/NextStep-1/NextStep-1/cn/Part6/Complex/538.png
new file mode 100644
index 0000000000000000000000000000000000000000..82082175b2d0d1673792903b5d5347dbefcd2bae
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/538.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44dea8d5752edcbd686042125097b2b6c3a3698527d2be8b0934b58aa8f8cdd3
+size 441272
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/539.png b/NextStep-1/NextStep-1/cn/Part6/Complex/539.png
new file mode 100644
index 0000000000000000000000000000000000000000..56fefeeff0ca472bc487382379ae4a034961bb40
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/539.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3697b2c00dccda3604e78b3606c87040ec603244bd5ec5bee9575782a27564fa
+size 453207
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/540.png b/NextStep-1/NextStep-1/cn/Part6/Complex/540.png
new file mode 100644
index 0000000000000000000000000000000000000000..10c2f28d5e1f71aa52b47dc6c13cba36f140758f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/540.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:74d6104d7add2611dc9a63f62eeb74edf68be512c6b6869863e3988d7578ba6e
+size 396211
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/541.png b/NextStep-1/NextStep-1/cn/Part6/Complex/541.png
new file mode 100644
index 0000000000000000000000000000000000000000..67c473fe9a55fd420bdf0e9e5076eda70427b610
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/541.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aeef232562fcd7e765c2096f670699ab3295c5387b518710ea2d5d372dbe7985
+size 451694
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/542.png b/NextStep-1/NextStep-1/cn/Part6/Complex/542.png
new file mode 100644
index 0000000000000000000000000000000000000000..7f885e2e04197112236da9eff9484b6b5914b83e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/542.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:307125986a24a60406c81d26a3a8b6abd340295476a78c005bf5310610906103
+size 427074
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/543.png b/NextStep-1/NextStep-1/cn/Part6/Complex/543.png
new file mode 100644
index 0000000000000000000000000000000000000000..569ebb9a50ec596e781f288e4fe115f27d0d5c79
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/543.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8482ddf61e0f5224d895c38b2bde324b6f19787962f93bbef63e8879ec61f682
+size 457905
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/544.png b/NextStep-1/NextStep-1/cn/Part6/Complex/544.png
new file mode 100644
index 0000000000000000000000000000000000000000..1c6455affb83d47cf14e79654420b76e6658a8eb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/544.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:f9dcad89f15c6f17af9918ada9904900b2cb603a72a30203fdf320ed3cf049c5
+size 478947
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/545.png b/NextStep-1/NextStep-1/cn/Part6/Complex/545.png
new file mode 100644
index 0000000000000000000000000000000000000000..5af7b3b04b422877b16221545bceebea56c3c721
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/545.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:5dc693762f71f6011c5bae2f76c691f73037cea3de5b1bd6ebb2f0ebdefb9522
+size 432456
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/546.png b/NextStep-1/NextStep-1/cn/Part6/Complex/546.png
new file mode 100644
index 0000000000000000000000000000000000000000..979f45b9de67be7a77c3cfd29baabffb1dc80c9b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/546.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:91a0043baed79af85345eecc8a6693f66c59a201912b8d51687650bb4d38efce
+size 436895
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/547.png b/NextStep-1/NextStep-1/cn/Part6/Complex/547.png
new file mode 100644
index 0000000000000000000000000000000000000000..50717452674ec05b9484c43528c34689ee179859
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/547.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3767271e811aaa4e3f4d0c19e54ff6d340d81bace831a29fe08168828906aeb0
+size 372074
diff --git a/NextStep-1/NextStep-1/cn/Part6/Complex/548.png b/NextStep-1/NextStep-1/cn/Part6/Complex/548.png
new file mode 100644
index 0000000000000000000000000000000000000000..a08a3a877bfd941451950a3031fbcfc289a37378
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Complex/548.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d469080d6d6be570bcdc37ad029959806d1756f82011c35d73df65a5691cd729
+size 458185
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/14863.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/14863.png
new file mode 100644
index 0000000000000000000000000000000000000000..93a5c11a017d8e0654e60ea2aa01074cc8c6aff1
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/14863.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:56eed7bed9f612910042e5242ebc8e7d7b87ed53ad487d9cc17b8b7b3a64c1a2
+size 466831
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1737.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1737.png
new file mode 100644
index 0000000000000000000000000000000000000000..e618e85714ba59eb472ee2d9c7f15a95f8a785ed
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1737.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:cc056f7b3e7f585b6081e8dc680541155e422919fbb1d15ced0b32610c28b844
+size 379189
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1739.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1739.png
new file mode 100644
index 0000000000000000000000000000000000000000..c8a8d6446f6543cc2f2e4b07951f06de8ef2d14f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1739.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ebf2d86a333edc283d28552000875189ce517d00534cb03151ee2016c1db1ad6
+size 341754
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1750.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1750.png
new file mode 100644
index 0000000000000000000000000000000000000000..954472c7cd153a151164a73daec799209e355e4e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1750.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:14285ae4535d8f1d9a80fc65db461e56999e38dc92350e100fab8e2d393bac7b
+size 401207
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1756.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1756.png
new file mode 100644
index 0000000000000000000000000000000000000000..e3bbc03e0c556de98c1e4e80fb3ab07b95862158
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1756.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7de7bc226d5ee56f6c365ba9b1d20f94c9278a5e1d52cf6c315eb659f71a7fc8
+size 404393
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1757.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1757.png
new file mode 100644
index 0000000000000000000000000000000000000000..202c53b66e0b788de51fe39e31bf36e6b384159b
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1757.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:d74729cad810a1f2d2a3179b4609367b41891354f494e75a3f6489bda1731e54
+size 358161
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1759.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1759.png
new file mode 100644
index 0000000000000000000000000000000000000000..6158623bcc93094f7146cb5866fb5c0d8273c74c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1759.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e0dff9a5fc851901e8e12ee29448f0549d5f4dec0183c57ef847907e405418c2
+size 511786
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1764.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1764.png
new file mode 100644
index 0000000000000000000000000000000000000000..1b7eb7d9376fe6dba1367d8a30c4b8a97b96a822
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1764.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ef15fe1efcba62305e546960b0d6646cfa07aee6b5cd1cdfd39a6a2c087555bb
+size 397828
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1777.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1777.png
new file mode 100644
index 0000000000000000000000000000000000000000..54036ac3acad0113a33c43ec92e569e4ce72a41f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1777.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1608aea092195b8d8c732474098f621d216a3f4ace84d4e8f1bbe77780eeadee
+size 454363
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1783.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1783.png
new file mode 100644
index 0000000000000000000000000000000000000000..9c4d50dcc6d55e451b11c29539d739ec08dc3d3f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1783.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:98bcbe544a2f886e4a66ed61e97dfbc7e67c7a0fc87537e2df0140e17076b0d5
+size 284782
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1790.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1790.png
new file mode 100644
index 0000000000000000000000000000000000000000..ed3f664012bdd2915d8bcd4092c45fba79fc4fbf
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1790.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:4681eb61f8f2a7eba4abd06c5829b1260f3c8c268285b1dfea7a9fb5132c645e
+size 315745
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1791.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1791.png
new file mode 100644
index 0000000000000000000000000000000000000000..da9663eb5b19b7da95685f0b7722572cab84ffe4
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1791.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b72b362bea1bb224bfaf5bf647a8ab8a579a63568d2d4f3a143c26739689ff1a
+size 479773
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1793.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1793.png
new file mode 100644
index 0000000000000000000000000000000000000000..600147423a10328092cd8c333f880e421dd672ab
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1793.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:db4cf9c5278dc45278add8f62abe32b88b0abb2fe2a5a3823cac016a3d8041dd
+size 430734
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1794.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1794.png
new file mode 100644
index 0000000000000000000000000000000000000000..769baffc5a522861ed0f9c2e35d89f91813e05b7
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1794.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ceaa8cd3311e9dc86c4443a9a7b62e54af780e976daa52fb9a4f7679d47dbb52
+size 332776
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1795.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1795.png
new file mode 100644
index 0000000000000000000000000000000000000000..b9cf1e2c3285566d2ca216528f01fabd175543ce
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1795.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:be64047abdcc71484a5aa66e0df66edffac2fc9a85bf814dad2bd3705c804b2e
+size 337667
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1808.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1808.png
new file mode 100644
index 0000000000000000000000000000000000000000..7d21517acb6e8941aa71af3f94f8e8a93a6f5ece
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1808.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:aaf1b465d4f150644b5df5da208b89b4cef6920f4eccdfa90fc77c60cda23b38
+size 388438
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1811.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1811.png
new file mode 100644
index 0000000000000000000000000000000000000000..580431d45b95b2403fd43af481634c59fd42f89f
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1811.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e97a2963c440f5fc4e1d52e34ae73adeff4292a69318f5ebdd308902e0d9d790
+size 472963
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1814.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1814.png
new file mode 100644
index 0000000000000000000000000000000000000000..9ae20aedcc5129edf5e25d3d6aab2fae85c8a1a5
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1814.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9e30a8f8d531d9c5a6fcbbd38f6e6dda6a1cf8ffc994146b27adeea18e35554f
+size 410703
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1815.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1815.png
new file mode 100644
index 0000000000000000000000000000000000000000..9c54d07f566c37fc3ed3559bcda3b4b2081d3afe
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1815.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:768f9246c5c2c004bb098eeb73591488346a1c513bd7ec0a930a75e6be094687
+size 406304
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1816.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1816.png
new file mode 100644
index 0000000000000000000000000000000000000000..011c114d50691a43396cce7cbd625c5871e0896e
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1816.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:40d3426e6e7488594edcb3c3fc6f55535430d455694f26556c95d49042e00ac2
+size 433080
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1820.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1820.png
new file mode 100644
index 0000000000000000000000000000000000000000..366563bbe4bf320679b6e7ea71633023b4501994
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1820.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:c3a3d4a2377c6883807b89afbb7755f0fcd340b7f9e67850fa1e355d6bf326c5
+size 409939
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1834.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1834.png
new file mode 100644
index 0000000000000000000000000000000000000000..e619ef45cad2e51ac81546b99207ebd00b08c21d
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1834.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9c9cea32ad722adf25e7558ed8c87137be0a1b961e596faf4d7dacf1f25b3cb8
+size 413387
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1835.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1835.png
new file mode 100644
index 0000000000000000000000000000000000000000..c65aec4bf9fdea268941430336f8e746c8acb2cb
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1835.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:7290c970aef76d9d1b8371a6285e1d1a236e2c52d1f424e01a165fd626459b30
+size 383180
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1840.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1840.png
new file mode 100644
index 0000000000000000000000000000000000000000..f9e557b3d9d0b6acfc0f91a4af0624111f32d6bc
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1840.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:2da9f6134d48b8755a312886cbd8ad953f65aca752af98eaa3d14ea028850bfb
+size 433017
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1845.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1845.png
new file mode 100644
index 0000000000000000000000000000000000000000..73348c77ab9c515ffc1ae11715b4adad4dee71db
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1845.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:88deb2d230edac299a6532ad989454e5459d55741cf8fc6a4bf6d67b7f31cf39
+size 386178
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1846.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1846.png
new file mode 100644
index 0000000000000000000000000000000000000000..f863d0669c26a0b94face1c1049d95ad0f3e828c
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1846.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:07ac3f369258ea70ffac79352672397c33c88d9208204c96790c5c6a740c6092
+size 408115
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1849.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1849.png
new file mode 100644
index 0000000000000000000000000000000000000000..89640f366ee4782001c9c1558b4bc6c673b325f0
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1849.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e2cd8a4145a16cabc8d86b020cecf6c49126cf4ec8ae251cbd2032c9fcce5092
+size 399972
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1859.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1859.png
new file mode 100644
index 0000000000000000000000000000000000000000..13931e819694d02cc47a233ceeded270e9ae9603
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1859.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:beefc281934866d9956692e2bf7160c543ae3dac13c467ca21c17cbe0c2b42fd
+size 441523
diff --git a/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1860.png b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1860.png
new file mode 100644
index 0000000000000000000000000000000000000000..1d1aa7b1ae4fb9ab5239a6a654764e363893dd61
--- /dev/null
+++ b/NextStep-1/NextStep-1/cn/Part6/Visual_Text_EN/1860.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6c790510c084820e80b83e3b0b91db6baffa5e3820a0dde1ac9e206325f422a8
+size 466543