Title: Lun zheng zhi jing ji xue de ruo gan wei ding wen ti
Description: Ben shu shou lu le"lun guo jia jian shang pin jiao huan li lun ji shang ye shi jie zhong shang ye li de zai guo jia jian de fen pei", "lun xiao fei dui sheng chan de ying xiang", "lun sheng chan xing he fei sheng chan xing", "lun li run he li xi"he"lun zheng zhi jing ji xue de ding yi ji zheng zhi jing ji xue te you de yan jiu fang fa"deng wen zhang.
Subjects: Zheng zhi jing ji xue ., Wen ji ., Zheng zhi jing ji xue