临界问题
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neutron criticality problems 中子临界问题
criticality problems
以上为机器翻译结果，长、整句建议使用 人工翻译 。
We're also having to deal with three huge structural problems that built up over several decades and have reached a point of criticality at the same time.
我们还必须处理数十年来造成的巨大结构性问题，与此同时我们还到了一个关键时刻。
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