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城市轨道交通包括地下铁路、市郊铁路、轻轨交通、磁悬浮系统四种类型 ,它是一个立体交通体系 ;具有电力牵引和大运量集约化运输的特点 ,和土地资源、人力资源、文化资源、环境资源等一起成为现代化城市的主要资源。城市轨道交通建设要遵循车辆走行方式选择、电力配置方式、国产化、城市轨道交通安全保障、融资、规划等原则。
Urban rail transit includes four types of underground railways, suburban railways, light rail transit and maglev systems. It is a three-dimensional transportation system. It has the characteristics of electric traction and large-capacity intensive transportation, as well as land resources, human resources, cultural resources and environment Resources together become the main resource of modern city. Urban rail transit construction to follow the vehicle choice of mode of operation, power allocation, localization, urban rail transit security, financing, planning and other principles.