So, again each design basis accident has one single failure of a component which basically is the single failure criteria.

所以，还是每个的设计基础事故都会，有一个组件的单失效，那基本上，就是单失效的标准。

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One of the key features in this design criteria is what people call the Single-Failure Criterion.

这个设计标准的一个重要的特征，就是人们称为单失效准则。

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