Title: Xi fang jing ji xue xi ti jie da
Description: Ben shu xuan bian le wei guan jing ji xue dao lun,Xiao yong yu pian hao deng nei rong de xi fang jing ji xue xi ti jie da.
Subjects: Xian dai zi chan jie ji jing ji xue, Zi xue can kao zi liao, Jie ti, Yan jiu sheng