并列题名：Research on the development of China's trade facilitation and the transformation and upgrading of export development model Research on the development of China's trade facilitation and the transformation and upgrading of export development model 并列题名：Research on the development of China's trade in services under the measurements of trade in value-added 并列题名：Research on the mechanism and path of enterprise transformation and upgrading in the internet age 并列题名：Research on the key issues of China's industrial transformation and upgrading 并列题名：Research on the promoting effect of informatiztion on transformation and upgrading of China's industrial structure 并列题名：Research on the impact of environmental regulation to the industrial transformation and upgrading of resource-based cities in China Research on the development of China's civil aviation transport and airlines 并列题名：Price increase of the factors of production and the transformation of China's industrial development mode 并列题名：Research on the interaction between urbanization and industrial transformation and upgrading in China