缩写
中文翻译：Unknown
同义词：
['DTMF', 'DTC', 'DCC例句：1. The phone rang and the answering machine picked up.（电话响了，答录机接听了。）2. The customer service representative was able to quickly resolve the issue.（客户服务代表能够迅速解决问题。）']
例句：
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1. The phone rang and the answering machine picked up.
电话响了，答录机接听了。
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2. The customer service representative was able to quickly resolve the issue.
客户服务代表能够迅速解决问题。
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3. The DTMF code for "07" is sent over the line to signal the caller that they have reached a busy line.
“07”的DTMF代码被发送过线路，以通知来电者他们已到达一个繁忙的线路。