The deformation of mechanical seals would seriously affect their working performance, even resulting in wear and early stage failure.

机械密封产生变形会严重影响其工作性能，甚至导致磨损和早期失效。

youdao

However, that runs counter to the thinking behind the waterfall approach: Many design teams would view modifying the design after Stage 1 as a failure of their initial design or requirements process.

然而，使用瀑布型开发方法的执行与想象是相反的：很多设计团队把在阶段1之后的修改设计视为他们的最初设计或者需求过程的失败。

youdao

At that stage, the execution of the SQL fails and the program must catch any exceptions to determine the reason for the failure.

在这个阶段，SQL的执行失败，程序必须捕获异常来判断失败的原因。

youdao

But this second, more pernicious, late stage failure issue has at its heart the same issue you identify: hubris.

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Another woman, in her eighties, with end-stage respiratory and kidney failure, had been in the unit for two weeks.

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They find it much harder to plan and co-ordinate attacks hence their failure to stage another on American soil since September 2001.

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