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单词 pulse dialling
释义
  • Business

pulse diallingnoun [ U ]

ukusalso US pulse dialing COMMUNICATIONS

a system that is used to make a connection with the telephone line by interrupting a continuous signal. In many parts of the world pulse dialling has been replaced by tone dialling:

Modern equipment will allow switching between pulse and tone dialling modes.

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tone dialling
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更新时间:2024/11/12 13:59:08