The radial displacement must be accompanied by a circumferential force.
径向位移必须伴有圆周力。
The formula for calculating the rolling friction factor was developed and established. Based on the analysis of central force action, the formula for circumferential force action is developed.
在完成中心动力作用下的摩擦系数计算公式后，继续用计算法确定周动力作用下的滚动摩擦系数。
In general, the force will have both a radial and a circumferential component.
通常，这个力有一个径向分量和一个周向分量。
In general, the force will have both a radial and a circumferential component.
通常，这个力有一个径向分量和一个周向分量。
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