Railway system is a transport system based on wheel-railcontact. Rail played an important role in this system.
铁路系统是以轮轨接触为基础的运输系统，钢轨在其中扮演了重要的角色。
2
In view of this problem, a device is developed to make the continuous measurement of such parameters as the wheel-railcontact positions.
针对这一问题，本文介绍了能够对轮轨接触位置等参数进行连续测量的装置。
3
This paper introduces the producing and acting mechanics of the train vibration loads, wheel-rail couple dynamic model, wheel-railcontact model and irregularity model.