列车运行图是铁路部门全路组织列车运行的基础。
铁路列车运行噪声的水平指向性是铁路列车噪声辐射的重要特性之一。
The horizontal direction of train running noise is a important character of train radiating noise.
本系统对于保证铁路客车的安全运行具有较高的实用价值。
The system can improve security operation of the passenger train.
问题是：美国的铁路在设计的时候就不是为了高速运行。
The problem is: tracks in the U. S. are not designed to support high-speed travel.
调查了铁路列车运行速度的规律。
The regular of the velocity of moving trains has been studied.
高速列车运行模拟系统是高速铁路行车指挥系统的重要子系统。
Train travel simulation is the subsystem of high speed train dispatching system.
高速列车运行模拟系统是高速铁路行车指挥系统的重要子系统。
Train travel simulation is the subsystem of high speed train dispatching system.
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