Title: Ke xue de gu shi
Description: Ben shu jiang shu shi jie ke xue shi shang zui zhong yao de ke xue li lun, fa ming, fa xian yi ji wei da de ke xue jia de gu shi, she ji ge ge ke xue ling yu, an zhao shi jian shun xu, xu xie yi bu ke xue jian shi.
Subjects: Pu ji dou wu ., Zi ran ke xue ., Zi ran ke xue