大桥经济的发展,区域经济的优势是坚强的后盾。从大背景看,大桥所处的长三角地区,是我国目前经济最为发达、人口最为密集、科技文化教育体系最为完善的地区之一。长三角地区国土面积仅为全国总面积的1%,人口仅为全国总人口的6%,但是国内生产总值却占了全国总量的17.6%。随着以上海为龙头的国际经济、金融、贸易、航运“四大中心”建设的加快推进,区域的集聚和辐射能力还将进一步增强,作为国内经济的龙头地位也将进一步巩固。从小背景看,大桥南翼的宁波,去年国内生产总值达到1500亿元,在全国15个副省级城市中列第六位;财政收入262亿元,列第四 Bridge economic development, the advantages of regional economy is a strong backing. From a large background, the Yangtze River Delta where the Bridge is located is one of the regions with the most developed economy, the most populous population and the most perfect science, technology, culture and education system in our country. The Yangtze River Delta region has a land area of ​​only 1% of the country’s total area and a population of only 6% of the country’s total population, but its GDP accounts for 17.6% of the national total. With the acceleration of the construction of the “four major centers” of international economy, finance, trade and shipping in Shanghai, the regional agglomeration and radiation capacity will be further enhanced and the leading position in the domestic economy will be further consolidated. From a small background, Ningbo in the south wing of the bridge, with a GDP of 150 billion yuan last year, ranked sixth in 15 sub-provincial cities in the country with a financial income of 26.2 billion yuan ranked fourth