The transmission shaft gear is directly meshed with the tension roll synchronizing gear to reduce measuring errors;
本发明传动轴齿轮与张力辊同步齿轮直接啮合，减少了测量误 差；
Dynamic speckle photography of the gear tooth has been achieved by combining a pulsed ruby laser with the external synchronizing trigger signal.
红宝石脉冲激光器和外同步触发信号结合实现了齿轮轮齿动态散斑图的记录。
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