When the web worked normally, it passed through the central axle of the light pole so that the optical power received by photosensitive diode was normal constant.
带材正常运动时处于光柱的中心位置，光电二极管接收到的光功率为一定值；
The fracture of motorcycle rear axle has been analyzed through optical microscope, SEM and hardness test.
采用光学显微镜、扫描电镜、硬度测试等方法，对摩托车后轮轴断裂件进行了分析。
With an optical splitter, the verticality between target plane and its horizontal movement axle and the parallelity between target plane and compound eye plane were adjusted.
通过引入分光器，调整目标平面水平移动轴和目标平面的垂直性以及目标平面和复眼平面之间的平行性。
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