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基础设施建设、生态环境建设是实施西部大开发战略的重要任务。城市是现代文明的载体，由于其在国民经济和社会发展中的特殊地位和作用，城市基础设施建设、生态城市建设也应是实施西部大开发战略的重要课题。生态系统是自然界生命物质和非生命物质在特定空间的组合。城市生态
Infrastructure construction and ecological environment construction are the important tasks for implementing the strategy of developing the west. City is the carrier of modern civilization. Due to its special status and role in the national economy and social development, urban infrastructure construction and eco-city construction should also be an important issue for implementing the strategy of large-scale development of the western region. Ecosystem is a combination of natural and non-living matter in a specific space. Urban ecology