Shi shang/: Er shi shi ji wu liu shi nian dai de shi xue yan jiu, Shi shang :: Er shi shi ji wu liu shi nian dai de shi xue yan jiu/ Shi shang :: Er shi shi ji wu liu shi nian dai de shi xue yan jiu / Er shi shi ji wu liu shi nian dai de shi xue yan jiu. Bei zhao liang de shi jie/: < gu shi xin bian> shi xue yan jiu, Zai chang de xian shi/: 20 shi ji 20 nian dai zhi 60 nian dai shan shui hua xie sheng yan jiu, Zhong guo er shi shi ji"si shi nian dai"xiang tu xiao shuo yan jiu/ Er shi shi ji er shi nian dai"ge ming wen xue"yan jiu /