V2EX closed-circuit

Closed-circuit

释义 Definition

(尤指监控/传播)闭路的;在封闭回路内运行的。常见搭配:**closed-circuit television (CCTV)**(闭路电视/监控系统)。也可泛指不向外部公开、只在内部传输的系统或信号。(另有电学“闭合电路”等相关含义)

发音 Pronunciation

/klozd skt/
/klzd skt/

例句 Examples

The store uses closed-circuit cameras.
这家商店使用闭路监控摄像头。

During the trial, the judge allowed the witness to testify via a closed-circuit video link for safety reasons.
庭审期间,法官出于安全考虑允许证人通过闭路视频连线作证。

词源 Etymology

closed(关闭的、封闭的)+ circuit(回路、环行路线)组成;circuit 源自拉丁语 circuitus(“环行、绕行”)。合起来强调“信息/信号在封闭回路内传递,不向外部开放”。

相关词 Related Words

文学与文化作品 Notable Works

  • The Girl with the Dragon Tattoo(Stieg Larsson):涉及安保与监控场景,常见表达如 “closed-circuit cameras / CCTV”(不同版本措辞可能略有差异)。
  • The Da Vinci Code(Dan Brown):博物馆安保语境中常出现 “closed-circuit TV / CCTV” 之类表述(版本用词可能不同)。
  • The Firm(John Grisham):办公室与安保监控语境中常见 “closed-circuit television” 相关表述(不同版本可能简写为 CCTV)。
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