Zhong guo ya re dai dong bu de ou gong ye kai fa yan jiu/ Zhong guo ya re dai dong bu qiu ling shan qu nong ye zi yuan kai fa ce lüe/ Zhong guo ya re dai dong bu qiu ling shan qu zi ran zi yuan kai fa ce lüe/ Zhong guo gu dai nong ye shui li shi yan jiu/ Zhong guo qi ye gao ji xiao gong zuo xi tong yan jiu/ Zhong guo ya re dai dong bu qiu ling shan qu zi ran zi yuan kai fa li yong fen qu/ Zhong guo ya re dai dong bu qiu ling shan qu shui tu liu shi yu fang zhi/ Zhong guo fang jia bo dong de shou ru fen pei xiao ying yan jiu/ Zhong guo jin dai jin rong fa zhi shi yan jiu/ Zhong guo gu dai wen ti xing tai yan jiu/