仿真结果还发现，在转向架悬挂参数相同的情况下，单一车辆的运行平稳性指标大于列车的运行平稳性指标。
Through simulation, it is shown that ride comfort index of single car is greater than that of the whole train under the same suspension parameter of the bogie.
平直度作为钢轨焊接接头外观质量的重要指标，其合格与否直接关系到列车运行平稳性及乘坐舒适性。
Flatness, as an important factor to evaluate the quality of outward appearance of welded joints, its compliance is directly related to train running stability and ride comfort.
研究表明：以头车轮重减载率作为列车运行安全性指标时，得到的列车最高安全运行速度最小；
The critical speed of high-speed train is studied according to the heading car's safety index.
研究表明：以头车轮重减载率作为列车运行安全性指标时，得到的列车最高安全运行速度最小；
The critical speed of high-speed train is studied according to the heading car's safety index.
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