Report on building a new development paradigm in the Yangtze River Delta 并列题名：Report on building a new development paradigm in the Yangtze River Delta Report on economic and social development data in the Yangtze River Delta China in building a new development paradigm and the world Research on the coordinated development strategy of the Yangtze River delta 并列题名：Report on economic and social development data in the Yangtze River Delta report of coordinated balanced development index in the Yangtze River economic belt Report of coordinated balanced development index in the Yangtze river economic belt Data report on economic and social development in the yangtze river delta 并列题名：Research on the coordinated development strategy of the Yangtze River delta