Extensive measures have been taken over the years to mitigate the effects of noise and vibration on transit systems across North America.
在北美洲，过去几年中曾经采用许多方法缓解降低噪声和振动对城市轨道交通系统的影响。URT failures are the main factors influencing the safety and reliability of the operation.
城市轨道交通系统的事故故障是影响其运营安全与可靠性的主要因素。On transit systems, rail corrugation is generally a result of periodic wear from longitudinal, lateral or spin-type creepage.
城市轨道交通系统的钢轨波浪磨耗是由于车轮长期在轨面沿纵向、横向或蛇行蠕滑造成的。Under this circumstance, the requirement of developing urban wheel-on-rail transportation systems is urgent.
在这种形势下，发展城市轨道交通系统的需求变得迫切起来。The linear motor system provides a whole new transportation mode for public transport of mountain city.
直线电机城市轨道交通系统可为山区城市轨道交通方式的选择提供一种新模式。The task is to construct an intelligent railcar system for urban transport on the computer.
本赛题采用计算机模拟（仿真）来建造一个智能化城市轨道交通系统。An efficient rail transport system, the Automatic Train Control System (ATC) is necessary.
列车自动控制系统（ATC）是城市轨道交通系统高效高密运行必不可少的。Concept of Application of Linear Electric Motor in the Urban Mass Transit System
直线电机在城市轨道交通系统中的应用Planning, Construction and Management of Urban Rail System-- Experience from Tokyo
东京城市轨道交通系统的规划、建设和管理