These tests are above all used to test components or equipment employed in electricity or electro-technology of medium and high power (circuit-breakers, switches, transformers, insulators, etc...).

这种试验主要被用于测试中高功率的电力或电子技术中采用的元器件或设备(断路器，开关，变压器，绝缘子等等)。

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For example, oil and air circuit breakers are now replaced by gas ones.

例如，油和空气断路器如今已被气体断路器取代。

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Under a new system of "circuit breakers" for individual stocks put in last month by the SEC, U.S. stock exchanges must briefly halt trading of major stocks that mark big swings.

上周证券交易委员会推出了针对单个股票，名为“断路器”的新制度：一旦市场出现异动，美国证交会可以短暂停止主要股票的交易。

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Circuit-breakers would be triggered, you say?

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Knight Capital general counsel Leonard Amoruso asks how the individual stock circuit breakers will interact with market-wide circuit breakers, a newly adopted up-tick rule for short sellers and internal circuit breakers imposed by NYSE Euronext and Nasdaq.

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The shorts were really squeezed on Valentines Day, and single-stock circuit breakers were tripped when GMCR was up 14% in five minutes.

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