Study on the path selection of the technological progress in China Study on the population health problems in China Study on the regulation of scenic spots in China Research on the impact of international talent inflow on technological progress in China Study on the obstruction of monetary policy transmission in China Study on the marketing channels of fresh agricultural products in China Study on the protection of intellectural property of sports events in China Study on the ecological migration in China Study on the governance of the new rural communities in China Study on the composition and representation of the local peoples congress in China