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subscriber trunk dialling

  • n. 用户中继拨号；用户直拨长途电话

网络释义专业释义英英释义

  [通信] 用户中继拨号

... 用户站 subscriber station 用户中继拨号 subscriber trunk dialling 用户终端业务 teleservice ...

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  • 用户中继拨号

·2,447,543篇论文数据，部分数据来源于NoteExpress

Subscriber trunk dialling

  • abstract: Subscriber trunk dialling (STD, also known as subscriber toll dialling) is a term for a telephone system allowing subscribers to dial trunk calls without operator assistance.

以上来源于: WordNet

 柯林斯英汉双解大词典 

subscriber trunk dialling

  • 1. 

    N a service by which telephone subscribers can obtain trunk calls by dialling direct without the aid of an operator 直拨电话 ( abbr: STDUS and Canadian equivalent direct distance dialing) [英国英语]

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