• The paper features in detail its constitution and functions, working principles of its main components and change-over relation between radio signal and mechanical action, etc.

    本文组成功能主要部分工作原理无线电信号机械动作转换关系作了较详细的阐述。

    youdao

  • The paper features in detail its constitution and functions, working principles of its main components and change-over relation between radio signal and mechanical action, etc.

    本文组成功能主要部分工作原理无线电信号机械动作转换关系作了较详细的阐述。

    youdao

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