The inverse Jacobi matrix of the 6-sps parallel manipulator is obtained from differential equations of the reverse displacement analysis.
通过对6- SPS型并联机器人位置输入输出方程微分，获得机器人逆雅可比矩阵。
Practice testifies that practice of this kind of reverse well track type project is feasible for the drilling and development of short displacement, the shallow vertical depth horizontal well.
实践证明，对于短位移、浅垂深的水平井钻进开发，实施这种“反勾”型方案是切实可行的。
Trent reverse reflection device is adopted to offset the effect caused by beat and cross sliding during displacement or vibration and to enhance measurement sensitivity and accuracy nearly one time.
采用特伦逆向反射装置，消除它在位移或振动过程中因偏摆或横移所带来的影响，使测量灵敏度和精度提高约一倍。
The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer .
位移电流的机理只对反向偏压或要维持空间电荷层所需要的非常弱的正向偏压条件下的电容器才有用。
The displacement current mechanism is operative only for capacitors under reverse bias or very weak forward bias conditions which maintain a space-charge layer .
位移电流的机理只对反向偏压或要维持空间电荷层所需要的非常弱的正向偏压条件下的电容器才有用。
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