世博会对长三角都市圈加速形成的拉动效应20世纪下半叶以来,是世界各都市圈形成与发展的时代。从那时开始,世界上许多国家因经济、技术和社会发展模式的改变,使它们的社会空间流动结构发生了很大变化。伴随着城市化进程的不断扩展,城市与乡村、城市与城市间的交往和联系日益紧 Since the second half of the 20th century, the World Expo has stimulated the formation of a metropolitan area in the Yangtze River Delta. Since then, many countries in the world have undergone great changes in the structure of their social space mobility as a result of changes in economic, technological and social development patterns. With the continuous expansion of urbanization, the contact and connection between cities and villages, cities and cities are increasingly tight