利用电磁电路设计的抱闸装置，解决了回转臂系统刹车后，滑动小于某一小角度这一技术难题。
The technical problem-that the gliding rotary arm after braking is smaller than a small angle-is solved through internal contracting brake device designed by using electromagnetic circuit.
双回转机构的步进电机控制电路由TDA1521音频集成功率放大器组成平衡桥式功率驱动电路，由计算机并行口经过锁存器构成脉冲分配器。
To control stepping motors, the balance bridge power drive circuit is made up by TDA1521 integrated audio power amplifier, the pulse allotter is made up by the parallel ports of computer and latches.
本文叙述应用回转器的振荡电路的原理与实践。
The principle and the practice of an oscillation circuit using a gyrator are discussed.
在回转器—电容模型中，磁路由容性电路来模拟，绕组由双端口的回转器来代替。
In this approach, magnetic paths are modeled by capacitive circuits and windings are represented by two-ports gyrator.
同样的方法也适用于其他的回转器电路分析，可供回转器的设计及应用时参考。
The method is applicable for other operational-amplifier gyrator circuits, which proves itself useful to design and application.
文章对应用单边作业机构时支腿外伸及上车回转的检测机构和控制电路作了介绍，并对控制方式和使用注意事项作了说明。
The checking mechanism of out-triggers and upper swing, and their control circuit are introduced in the article. The control manner and precautions in operation are described also.
文章对应用单边作业机构时支腿外伸及上车回转的检测机构和控制电路作了介绍，并对控制方式和使用注意事项作了说明。
The checking mechanism of out-triggers and upper swing, and their control circuit are introduced in the article. The control manner and precautions in operation are described also.
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