The EXTRACT function is a very efficient way to select a group of values, but if the expected result set is just a single object then you are better off using the CHOOSE function previously discussed.

EXTRACT函数是选择一组值的非常高效的方法，但是如果预期的结果集只是单一对象，那么最好使用前面介绍的choose函数。

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According to this way, products designed that not only may educe measurable reliability of running, but also can acquire optimum result of the function parameters.

按照可靠性优化设计方法设计的产品，既能定量地回答产品在运行中的可靠性，又能使产品的功能参数获得优化解。

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For one thing, the drug seemed to decrease patient's lung function--apparently the result of the way the insulin, a big, complicated protein, was delivered into the lungs.

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