Research on the linkage development of urban agglomeration in the Yangtze River economic belt Research on integrated development and green exploitation of Yangtze River economic belt Research on coordinated development of urban agglomeration and regional economy Research on high-quality development of urban agglomeration in China in the new era Research on the development of modern industrial system in Yangtze River economic belt 并列题名：Research on integrated development and green exploitation of Yangtze River economic belt 并列题名：Research on coordinated development of urban agglomeration and regional economy Research on low carbon development in the upper Yangtze River economic belt Research on the high-quality development of China's urban agglomeration under the new development pattern Research on industrial development in Yangtze river economic belt