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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This article is not meant to address how to recover from every single failure due to media failure.

本文的目的不是用来解决如何从由于媒介失败而引起的每个单一故障中恢复。

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It's the classic single-point failure with no back-up.

BBC: November deadline for ISS crews

However, a survey of almost 1, 500 European business leaders carried out late last year by UPS, a logistics firm, showed that they are more worried about the failure to enforce the existing single-market rules.

ECONOMIST: Actions speak louder than words | The

The first is Mr Obama's failure to grapple as fast and as single-mindedly with the economy as he should have done.

ECONOMIST: The American presidency