Title: Jiao ni du dong xi fang jing ji xue
Description: Ben shu yi"tong su hua, Da zhong hua"jian zhang, Gai bian xi fang jing ji xue ku zao fa wei de xue xi fang shi, Dui yu da duo shu wei ceng shou guo xi fang jing ji xue xi tong xun lian de du zhe er yan, Shi li xiang de jing ji xue pu ji du wu.
Subjects: Zi xue can kao zi liao, Xi fang jing ji xue