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单词 public switched telephone network
释义

Definition of public switched telephone network in English:

public switched telephone network

noun
Telecommunications
  • The network of telephone circuits that are accessible by the public and require the setting up of a dedicated connection between the calling and the called numbers for the duration of each call.

Origin

1960s; earliest use found in The Times.

Definition of public switched telephone network in US English:

public switched telephone network

noun
Telecommunications
  • The network of telephone circuits that are accessible by the public and require the setting up of a dedicated connection between the calling and the called numbers for the duration of each call.

Origin

1960s; earliest use found in The Times.

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更新时间:2025/1/31 5:57:40