Research on the carbon emissions effect of China's industrial structure change under trade opening Research on the transformation and upgrading of China's industrial structure since the reform and opening-up Research on the influence of international trade on China's industrial structure change under the backgroud of new normality 并列题名：Research on the transformation and upgrading of China's industrial structure since the reform and opening-up 并列题名：Research on the influence of international trade on China's industrial structure change under the backgroud of new normality Research on the carbon emission effect of international climate aid Research on the key issues of China's industrial transformation and upgrading Research on the adjustment of UK industrial structure after World War Ⅱ Research on the transmission effect of China's monetary policy credit channel Research on the dynamic relationships of China's industrial supply chain security