Question: deep are the nucleus, composed of protons and neutrons and electrons that ultimately spins so fast that it looks like a shell.
Answer: --> Deep are the nucleus, composed of protons and neutrons and electrons that ultimately spins so fast that it looks like a shell.

Question: a number of small paintings created by artist liu wei are seemed rather arbitrary, no matter dogs or children, or flowers and stools, landscape and people figure, all mixed up together by liu wei with a pen, who transferred them all into rotten garbage, as liu wei often said, he is painting 'junk art'.
Answer: --> A number of small paintings created by artist Liu Wei are seemed rather arbitrary, no matter dogs or children, or flowers and stools, landscape and people figure, all mixed up together by Liu Wei with a pen, who transferred them all into rotten garbage, as Liu Wei often said, he is painting 'junk art'.

Question: as mentioned, the centers are international in scope and they collaborate and publish widely with foreign partners.
Answer:
--> As mentioned, the centers are international in scope and they collaborate and publish widely with foreign partners.