Adopts safety and reliable spaceflight joint, sufficient protects the stability of the circuit. The whole circuit system, not only easy to install but also maintenance is convenient.

采用安全可靠的航天接头，充分保护电路的稳定性。整并的电路系统，不但安装简易而且维护方便。

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Firstly, interface circuit is designed for joint type master manipulator.

首先，设计了关节式主手与计算机的接口电路。

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This paper introduces PC control approach of joint motion of manipulator. This approach includes driving of stepping motor, interface design of hardware circuit and software programming.

介绍一种机械手关节运动的PC机控制方法，它包括步进电机的驱动、硬件接口电路的设计、软件的编程方法。

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Gary Becker, a Nobel-prize winning economist, and Richard Posner, a federal circuit judge and law professor, began a joint blog in 2004.

ECONOMIST: Why do economists spend valuable time blogging?