Tong ling=: Ke xue fa zhan guan yan jiu/ Xin jiang wen hua fa zhan zhan lue yan jiu/ Guang dong gong ye fa zhan yan jiu/ Bei jing gong ye fa zhan zhan lüe yan jiu/ Liang an gang kou fa zhan bi jiao yan jiu/ Xiang gang si fa zhong shen quan yan jiu/ She hui ke xue fang fa yan jiu/ Zhan jiang nong cun fa zhan yan jiu/ Zhong guo gai ge yu fa zhan re dian wen ti yan jiu/ Ma ke si zhu yi jia zhi guan yan jiu/