Xiang gang gong gong cai zheng wen ti yan jiu/ Zhong gong dang shi zhong da zheng yi wen ti yan jiu/ Zhong gong dang shi zhong da zheng yi wen ti yan jiu / Xian zong tong jiang gong min sheng jing ji yan jiu/ Zhong guo nong min gong de zhu fang wen ti yan jiu/ Zhong guo jing ji nei wai jun heng wen ti yan jiu/ Gong gong cai gou fu bai zhi li wen ti yan jiu/ Gong gong cai gou fu bai zhi li wen ti yan jiu / Zhong da gong gong wei ji ying dui yan jiu/ Zhong guo nong di zheng yong wen ti yan jiu/