这两类数字信号分别为通断信号和脉冲序列信号。
The two digital signal types are the on-off signal and the pulse train signal.
这是所有数字输入类的基类。
系统包括电工技术、模拟电子、数字电子三类模块。
The system includes three parts of electric technology, digital electronic technology and analog electronic technology.
放大器类(或模拟)器件，相对于数字器件而言的。
An amplifying type (or analog) device, as opposed to digital device.
放大器类(或模拟)器件，相对于数字器件而言的。
An amplifying type (or analog) device, as opposed to digital device.
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