Shi jie 5000 nian ke xue gu shi

By Zhimin Wei

Subjects: Zi ran ke xue shi, Pu ji du wu

Description: Quan shu jing xuan jin yi bai ge ke xue gu shi, Nei rong she ji dui ren lei ju you zhong da ying xiang de ke xue da fa xian, Ke ji da fa ming yi ji ke xue jia deng.