Study on the innovation of agricultural science and technology achievement evaluation Study on the innovation of agricultural science and technology achievement evaluation. 并列题名：Study on the innovation of agricultural science and technology achievement evaluation Research on innovation of agricultural science and technology extention system in China 并列题名：Research on innovation of agricultural science and technology extention system in China Study on Sino-Ussr cooperation in agricultural science and technology during 1950S Research on the agglomeration effect of agricultural science and technology parks in China study on the incentive and environment of science and technology talent Two types of agricultural science and technological innovation research 并列题名：Study on Sino-Ussr cooperation in agricultural science and technology during 1950S