i. two characteristics of gyroscopes : stable spin axis and reverse motion.
陀螺仪的两大特性——定轴性与逆动性。
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when the steel ropes make reverse motion, the steel ropes can be conveniently released.
当钢丝绳反向运动时,可方便的解脱。
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根据定子加工工艺现状,采用反求法对定子曲线进行拟合,改善了定子的运动特性,从而降低了泵的噪声,提高了泵的性能和寿命。
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Reverse Bicycle : The motion of foot containment is similar to pedaling a bike backwards.
反蹬自行车: 脚的牵引动作很像反着踩自行车.
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