列车开向目的地，每小时平均行进的公里数。列车在区段内的纯运行时间不包括列车在中间站的停站时间和起停车附加时间。
随着列车运行速度的提高，对接触网系统可靠性的要求也越来越高。
With the increasing of the speed of train, high reliability of the contact system is required.
提高旅客列车运行速度、缩短旅行时间是世界各国铁路亟待解决的问题。
It is urgent to increase the running speed of trains and short travelling time of passengers in the development of railway transportation.
在既有线上采用摆式列车技术可以以比较经济的方式提高列车运行速度。
Developing tilting train to increase train speed on the existing railway line is economical and efficient.
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