Title: Li xue
Description: Ben shu jian jie, xi tong di chan shu le li xue de ji ben nei rong, jiao hao di fan ying le zhong guo ke xue ji shu da xue zai jiao xue zhong jing, xin, huo de du te feng ge.
Subjects: Mechanics, Jiao cai, Li xue, Gao deng xue xiao