Zheng zhi jing ji xue yan jiu/ Zheng zhi jing ji xue yan jiu / Azheng zhi jing ji xue shi zheng zhi jing ji xue Jian ming zheng zhi jing ji xue yuan li/ Xing zheng xue yan jiu/ Zhi wu sheng li xue yan jiu/ Han wei lan ling jing xue yan jiu/ Gong cheng di zhi li xue yan jiu/ Zheng zhi ke xue yu wei lai yan jiu/