结果显示，城市地铁交通对其周围的地磁观测环境具有较大的影响。
The results show that the subway of the city has significant influence for the observation environments of geomagnetic field.
随着我国交通基础设施的飞速发展，大量的铁路、公路隧道以及城市地铁相继修建。
With the rapid development of Chinese transportation infrastructure, many railways, highways and city subway tunnels have been built.
信息和自动化技术，通信信号技术在城市地铁、轻轨和轨道交通中的应用；
The applications of information and automation technologies, communication system technologies in city subway, light rail and rail transport;
第三章通过近地铁线路建筑平移工程的实例分析，研究了城市地下轨道交通振动对建筑的影响。
Chapter three: Taking the replacement of an odeum building near subway as an example, this chapter studies the effects of subway traffic vibration on building.
据统计，目前我国交通隧道渗漏水问题十分严重，隧道与城市地铁防排水工程的总体质量并不能令人满意。
According to statistics, the leakage of traffic tunnels is a serious problem in China, and the overall quality of prevention and drainage projects in subway tunnels is not satisfied.
据统计，目前我国交通隧道渗漏水问题十分严重，隧道与城市地铁防排水工程的总体质量并不能令人满意。
According to statistics, the leakage of traffic tunnels is a serious problem in China, and the overall quality of prevention and drainage projects in subway tunnels is not satisfied.
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