如果一台电机有加速或减速趋势,则整步力趋向于使它保持同步。
If a machine tends to speed up or slow down, synchronizing forces tend to keep it in step.
一名乘客对俄罗斯电视台说:“列车突然减速,灯灭了,然后是火花和烟雾,我们被堵在车里了。”
"The train slowed down abruptly, the lights went off, and then there was a spark of fire and smoke. We were blocked in," one passenger told Russian TV.
采用合适的加减速曲线,避免了工作台的柔性冲击。
On account of the proper acceleration-deceleration curve, the flexible impact of work station can be avoided.
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