Rotation joint is a pivotal part of radar feed system, before it is installed on base of radar antenna, it must be made a experiment of running in for 24 hours.

转动交连是雷达馈线系统中的一个关键件，它在被正式安装到雷达天线座上之前需进行24小时跑合试验。

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These organs index the rotation of each joint and the tension in each muscle and relay that information to the brain, which generates an articulated body representation in response.

这些感受器能感知每一个关节的旋转和每一条肌肉上产生的张力，并且把这些信号传递给大脑，大脑再根据这些信号相应地指挥我们的身体做出一系列的反应。

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To reestablish the joint line and set the component rotation, we referenced the femoral epicondylar axis.

为重建正常关节线保证假体旋转，我们以股骨髁上轴为参考。

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Ajmal's action also involves an unusually high rate of abduction, or rotation around the elbow joint, which can create an illusion of the arm straightening.

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