Research on the dynamic relationships of China's industrial supply chain security 并列题名：Research on the dynamic relationships of China's industrial supply chain security Research on the carbon emissions effect of China's industrial structure change under trade opening Research on optimization of Chinese vegetable supply chain Research on the dynamic system of high-tech industrial eco-transformation Research on the key issues of China's industrial transformation and upgrading Research on the international competitiveness of China's bulk industrial and mineral products Research on the international competitiveness of China's bulk industrial and mineral products. Research on changes of China's industrial stages Research on the international cooperation of China's social security