To use a Dial-up connection, you need a hardware device to convert computer signals to telephone signals and back a gain.

为了能使用拨号连接，你需要一个能把计算机信号和电话信号相互转换的硬件装置。

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To use a Dial-up connection, you need a hardware device to convert computer signals to telephone signals and back a gain.

为了能使用拨号连接，你需要一个能把计算机信号和电话信号相互转换的硬件装置。

youdao