And these are the trips, the reactor shut down systems that are available.

这些都是差错，反应堆停止，系统是能够使用的。

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One of the key factors in this scenario is determining how the reactor will be shut down because you must shutdown the reactor.

这个方案的一个重要因素就是，它决定了反应堆是如何停止的，因为你们必须停止反应堆。

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New “passive safety” features can shut a reactor down in an emergency without the need for human intervention.

新的“主动性安全设施”的功能在紧急情况下，无须人工干预就可以关闭反应堆。

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It shut down and partially dismantled the Yongbyon reactor, including the televised demolition of its cooling tower in May of last year.

VOA: standard.2009.04.15

North Korea has shut-down and partly dismantled its nuclear reactor complex under terms of the accord.

VOA: standard.2009.03.25

The last reactor shut down in 1987, though a mammoth cleanup effort remained to address what state and federal authorities deemed the most contaminated site in the Western Hemisphere.

CNN: STORY HIGHLIGHTS

Once the reactor has shut down, there remains "decay heat" from traces of other radioactive isotopes.

WSJ: William Tucker: Japan Does Not Face Another Chernobyl

The trouble began Jan. 31, when the Unit 3 reactor was shut down as a precaution after a tube break.

NPR: Calif. Reactors Might Be Retired If Restart Nixed