并列题名：Strategic stude on co-protection of ecologial environment in the yangtze river delta Strategic stude on co-protection of ecologial environment in the yangtze river delta 并列题名：Strategic path of the integrated regional development of the yangtze river delta 并列题名：Data report on economic and social development in the yangtze river delta 并列题名：Data report on economic and social development in the Yangtze River Delta Data report on economic and social development in the yangtze river delta Strategic path of the integrated regional development of the yangtze river delta 并列题名：Research on the integrated urban construction and coordinated development in the Yangtze river delta 并列题名：Strategic study of environmental protection in the Pearl River Delta Data report on economic and social development in the Yangtze River Delta