Digital and analog systems need an interpreter in order to understand each other. and that's where the modem (short for Modulator DEModulator) comes.
数字系统与模拟系统之间需要有一个转换器，以便使两种系统相互理解。调制解调器的作用就在于此。
Digital and analog systems need an interpreter in order to understand each other. and that's where the modem (short for Modulator DEModulator) comes.
数字系统与模拟系统之间需要有一个转换器，以便使两种系统相互理解。调制解调器的作用就在于此。
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