人们希望温度的时间系列尽可能地长，以便能研究各种波的振荡周期。

The time series of temperature are expected to be the longest possible so as to examine various modes of oscillation periods.

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如果您不在做可能会中断该类测试的事情，那么您可能想要跳过运行时间长的测试方法，以缩短编译-测试-调试周期。

If you're not working on things that are likely to break that test, you might want to skip the long-running test method to speed up your compile-test-debug cycle.

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我认为有权势的人擅长使用手段，但是事实是一旦一个公司存在了足够长的时间，它就形成了自己的生命周期。

I think the mogul makes the medium, but it’s also true that once a firm has beenin existence long enough, it begins to have a life of its own.

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Cells can stop in their lifetime at some point in the cell cycle and persist for long periods of time.

细胞生命期可以停止在细胞周期的某个点,并保持很长时间

耶鲁公开课 - 生物医学工程探索课程节选

Here is the pitch in--of--a string an octave higher so you can see it this way. As you probably know, if you take a long string and pluck it, it's going to take that long string a long time to pass that sort of cycle, if you will, just one pass through that cycle.

这也是个音高,一个高八度的音弦,你可以这样这样看 你们可能知道,如果你拨动长弦,长弦要经过很长时间,才能完成一个震动周期,如果你想,可以尝试下

耶鲁公开课 - 聆听音乐课程节选