调制传输函数的检测。

The test Method of modulation transfer function (MTF).

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将信号转变成适合于传输的被调制信号的一种操作装置。

The conversion of a modulated carrier wave into a current equivalent to the original signal.

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实际上，您希望向调制解调器传输数据或从调制解调器接收数据。

Realistically, you will want to transfer data to and from the modem.

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实际上，您希望向调制解调器传输数据或从调制解调器接收数据。

Realistically, you will want to transfer data to and from the modem.

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