通过实验，验证了该试验台能满足机车车辆运行动态模拟的速度、振动和精度的要求。
Through several vehicles test on roller rig, it is validated that the roller testing rig's behavior can meet the requirement of simulating vehicles running.
运行平稳性是机车车辆的重要指标。
Riding quality is an important index of railway vehicle running behaviour.
机车车辆在轨道上运行是一个动力学过程，也是一个运动学过程。
It is not only a dynamical, but also a kinematical procedure that vehicle runs on the track.
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