The angular displacement of reflecting surface is measured in accordance with the direction change of Moire fringes caused by the inclination of grating. self-imaging plane.
利用光栅自成象面的倾斜引起莫尔条纹方向变化来测量反射表面的角位移。
The late Tertiary dynamic property change of NEE and NNW trending faults developed in North Yellow Sea and its surrounding region is caused by the motion direction change of the Pacific plate.
北黄海及周围地区的北东东向和北北西向断裂，在第三纪末改变了一次动力学性质，是起因于太平洋板块运动方向的变更。
Step motor control, by pulse by changing the order of electricity can change the motor rotation direction, change the pulse frequency can change the motor rotation speed.
步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。
The shorter the direction-change time, the greater will be the influence of the stress alternating effect.
换向时间越短，应力交替作用的影响越大。
The shorter the direction-change time, the greater will be the influence of the stress alternating effect.
换向时间越短，应力交替作用的影响越大。
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