一、长江三角洲及沿江地区的区域联合与协作发展态势是向大跨度、高层次、全方位发展长江三角洲及沿江地区区位优势显著,是贯通欧洲及太平洋地区的重要结合部这里自然资源丰富,经济和社会基础雄厚,交通通讯发达,金融贸易繁荣,市场潜力巨大,七省二市各有优势和特点,并且互补性很强,80年代,通过区域经济联合与协作,为经济体制改革的深化,为繁荣各地经济,做出了贡献,它已成为促进国民经济和社会 I. Regional Joint and Collaborative Development in the Yangtze River Delta and the Yangtze River The trend toward a long-term, high-level and all-round development is significant with its location in the Yangtze River Delta and the Yangtze River. It is an important combination of Europe and the Pacific. Here is rich natural resources and economy In the 1980s, through the joint and coordination of regional economies, deepening the reform of the economic system, strengthening social and economic foundation, building a well-developed communications and communications economy, and boasting a huge market potential, the two provinces and two cities each have their own advantages and characteristics. To contribute to the prosperity of all localities, it has become a national economy and a society