到目前为止，这场灾难给我们最大的教训可能是，我们手中必须准备足够的紧急电源来保持反应堆水循环的温度，阻止反应堆融化。
So far, the all-important lesson would seem to be: have sufficient emergency power at hand to keep cooling water circulating in the reactors to prevent a meltdown.
一天我收到父亲的紧急电报，没有任何解释就是让我赶紧回家，我自然遵命。
One day I received a telegram from my father of such urgency that in compliance with its unexplained demand I left at once for home.
项目在计算机切换到一个可维持十分钟的紧急电源后被挽救了。
The project was saved when the computer switched to an emergency 10-minute back-up power source.
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