Watch magnetic, magnetic wheel makes the swing frequency change, so the speed of the gear system will change, watch.
手表受磁后，磁力使得摆轮的摆动频率改变，于是齿轮系统的运转速度也就改变，手表走时发狂。
The increase of the wheel speed, the swing frequency and the feed of shaft direction conduce to improving the grinding efficiency.
增加砂轮转速、砂轮摆动和轴向进给量可以提高单晶金刚石的研磨效率。
By changing the speed of grinding wheel, its swing frequency and the feed speed of shaft direction, different experiment results were got.
通过改变砂轮转速、砂轮摆动频率、轴向进给量，获得了一些具有对比性的试验结果。
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