V2EX circuit-breaker

Circuit-breaker

定义 Definition

circuit-breaker断路器;自动断路开关。用于在电流过载、短路等异常情况发生时自动切断电路,以保护线路与设备安全。也常引申为“熔断机制/暂停机制”(如金融市场的临时停盘规则)。

发音 Pronunciation

/s.kt bre.k/

例句 Examples

The circuit-breaker tripped when we turned on the heater.
当我们打开取暖器时,断路器跳闸了。

After the sudden crash, the exchange activated a circuit-breaker to halt trading for 15 minutes.
在突然暴跌之后,交易所启动熔断机制,暂停交易15分钟。

词源 Etymology

该词为复合词:circuit(电路)+ breaker(断开装置/破坏者)。字面义为“切断电路的装置”,19世纪末到20世纪初随着电气化普及而成为常用工程术语;后来在金融等领域借用其“自动切断以防更大风险”的含义,形成引申用法。

相关词 Related Words

文学作品 Literary Works

  • The Jungle(Upton Sinclair):作品涉及早期工业化与工厂环境描写,常出现与电气设备/安全相关的技术词汇语境(包括断路器等)。
  • The Grapes of Wrath(John Steinbeck):描写现代化农业与机械设备背景时,常出现电力与设备维护相关表达(可见类似“电路/开关/断路器”的技术语境)。
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