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;
应用推荐