也就是说，驱动力是从传动轴末端的传动齿轮输送到差速器的。
The driving power enters the differential through the drive pinion on the end of the propeller shaft.
钢丝耦合机构的采用，保证了手指末端关节在整个运动范围内都能够保证精确定1：1传动比。
By using a steel coupling mechanism, the distal phalanx transmission ratio was kept exactly 1:1 over the whole movement range.
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