Zhong guo nong cun jing ji chan ye fa zhan wen ti yan jiu = Zhong guo nong min gong zhi ye fa zhan wen ti yan jiu = Zhong guo nong cun jing ji zu zhi rong zi wen ti yan jiu/ Zhong guo nong min gong de zhu fang wen ti yan jiu = Zhong guo gong lu jiao tong ke chi xu fa zhan mo shi yan jiu = Zhong guo nong ye gai ge yu fa zhan qian yan yan jiu / Zhong xiao yin xing fa zhan yu jian guan wen ti yan jiu / Zhong guo gong si jing wai shang shi fa lv jian guan yan jiu = Zhong guo jing ji zhuan xing cheng ben fen tan wen ti yan jiu. Zhong guo dian zi xin xi chan ye fa zhan yan jiu yuan.