• 包含转动继电器齿复杂设计输入任意加密解密。

    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.

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  • 介绍一种采用CMOS数字电路、数字开关整定辅助电源断电延时继电器组成工作原理

    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.

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  • 通过静态继电器整定数字开关接点转换示意图和易发生故障介绍,初步探讨了静态继电器测试合理选择方法

    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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  • 早年,曾感应式机电继电器

    In early days, there used to be electromechanical relay of induction disk-type.

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  • 早年,曾感应式机电继电器

    In early days, there used to be electromechanical relay of induction disk-type.

    youdao

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