With the vigorous development and rapid construction of urban rail transit, it plays a more and more important role in the public transport system in China.
随着我国大力发展和建设城市轨道交通，其在公共交通体系中所扮演的角色越来越重要。
Construction of rapid urban rail transit system has close bearings on the environment.
城市快速轨道交通建设与环境有密切关系。
Construction of rapid urban rail transit system has close bearings on the environment.
城市快速轨道交通建设与环境有密切关系。
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