There are many ways to realize the answering machine function for example the earlier analog circuit the digital circuit or the analog digital mixing circuit.
实现抢答器功能的方式有多种可以采用早期的模拟电路、数字电路或模数混合电路。
There are many ways to realize the answering machine function for example the earlier analog circuit the digital circuit or the analog digital mixing circuit.
实现抢答器功能的方式有多种可以采用早期的模拟电路、数字电路或模数混合电路。
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