Title: Quan guo ji suan ji deng ji kao shi er ji jiao cheng
Description: Ben shu jie shao le Delphi 7 ji cheng kai fa huan jing, Delphi shu ju ku kai fa ji shu yi ji Delphi tu xing tu xiang yu duo mei ti cheng xu she ji ji shu deng.
Subjects: Dian zi ji suan ji, Jiao cai ., Kao he, Ruan jian gong ju, Cheng xu she ji, Jiao cai, Shu ju ku guan li xi tong