它是包含有转动盘、继电器、步进器和荆齿的复杂设计，它能将键盘输入任意加密解密。
It had a complex design consisting of rotors, electric relays, steppers and ratchets, which would translate the whatever was typed on its keyboard into or out of code.
介绍了一种采用CMOS数字电路、数字拨盘开关整定、无辅助电源的断电延时继电器的组成及工作原理。
Introduction was made to the composition and working principle of a power-off time delay relay which adopts CMOS digital circuit, digital dial disc for switch setting and without auxiliary power.
通过对静态继电器整定用数字拨盘开关接点转换示意图和易发生的故障介绍，初步探讨了静态继电器的测试点的合理选择方法。
The article discusses about the proper selection of static relay test points through introducing the contactor sketch of rectifying static relays with digital dial switches and easy-happening faults.
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