The tales illustrate the frustrations that many chemists feel for their fickle field, particularly when experiments fail to work or instead produce inconsistent results.

这些故事说明了许多化学家在其变化无常的领域所感受到的挫折，特别是在实验失败或产生不一致的结果的时候。

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Moreover, technology that works well in the laboratory may fail in the field, where fuels, cooking practices and even the shapes of vessels vary widely.

此外，实验室中表现良好的技术，在燃料、烹饪方法，甚至器皿形状有着千差万别的实际环境中未必就能奏效。

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If you fail this test then you know for sure that you are not gradient field so you might as well do that.

如果通不过检验，那么可以肯定，它不是梯度场，你可能也会那样做。

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There is a real risk that the FDA could field a weak team and fail to settle the considerable public safety arguments about these drugs.

FORBES: Judgment Day For The FDA, Pfizer

Going wireless risked security and production troubles: People might toss them onto the field or the wireless signal might fail.

WSJ: Menu

But Mr Field predicted that the secretary of state's proposals would fail to deal with the current "crisis", for which both the current and predecessor governments were to blame.

BBC: Generic shot of people walking