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单词 closed-circuit television
释义

WordReference Random House Learner's Dictionary of American English © 2024
closed-cir•cuit tel•e•vi•sion /ˈklɔʊzd ˌsɜrkɪt ˈtɛləˌvɪʒən/USA pronunciation  n. [uncountable]
  1. Radio and Televisiona system of televising by cable to designated viewing sets.

WordReference Random House Unabridged Dictionary of American English © 2024
closed-circuit television, 
  1. Radio and Televisiona system of televising by cable to designated viewing sets, as within a factory for monitoring production operations, in a theater for viewing a special event taking place elsewhere, or in an office building as an aid to maintaining security.
  • 1945–50

Collins Concise English Dictionary © HarperCollins Publishers::
closed-circuit television n
  1. a television system in which signals are transmitted from a television camera to the receivers by cables or telephone links forming a closed circuit, as used in security systems, etc
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更新时间:2025/2/23 6:20:30