Since performance will degrade over time, this means that the designer must carefully consider how long the component is expected to last, and how many cycles the contact is expected to see.

由于性能会随着时间而退化，这就意味着设计者必须认真考虑元件的期望使用时间以及期望的接触循环数。

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At the same time, the bank said the sharp downturn on possible future funding of the performance of listed companies is expected.

同时，该银行表示，在可能的上市公司的业绩未来资金急剧下降的预期。

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Then we proposed a stochastic expected value model to improve the on-line performance of timetable and reduce total travel time on the basis of considering interactions among various slack times.

首先，给出了冗余时间的含义与分类，探讨了冗余时间对列车运行图动态性能的影响过程，并分析了多种冗余时间之间的关系。

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Does it give you the answer that you expected it to give? Often, in practical problems, you'll spend just as much time doing performance debugging. Why is it slow?

它返回了期待中的结果了么？通常,在实际的问题中你会花，同样多的时间在性能调试上,它为什么运行这么慢？

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At the same time, it also illustrates a large gap between what is expected from these professionals and their performance, and draws attention to the disturbing dearth of guide on these issues that have escaped the attention of most consultants and advisers to these professionals.

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