Research on the evolution of new China's economic and technological policies Research on the evolution of China's regional economic development efficiency Research on the evolution of industrial cluster in science and technology praks Research on the construction of scientific and technological report system 并列题名:Research on the evolution of China's regional economic development efficiency 并列题名:Research on the evolution of industrial cluster in science and technology praks Evolutionary theories of economic and technological change Research on Owen Fisher's economic theories & policies