板球有一个场外的裁判来判定边界，并确定击球手是否出局，接球是否真实。

Cricket keeps an off-field umpire for boundary calls, and to ascertain whether batsmen are run out and if catches are real.

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修建运河运输煤炭的公司需要测量员帮助他们找到值得开采的煤矿，并确定运河的最佳路线。

The companies building the canals to transport coal needed surveyors to help them find the coal deposits worth mining as well as to determine the best courses for the canals.

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当你分析这些光的时候，你可以计算出它们与地球的距离，并确定它们由什么构成，查明它们的化学成分。

When you analyze this light, you can figure out their distance from the Earth, and identify what they are made of, determine their chemical composition.

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All right. So let's look at some of these wave functions and make sure that we know how to name all of them in terms of orbitals and not just in terms of their numbers.

好，让我们来看一下,这些波函数,并确定我们都知道,怎么用轨道,而不仅是量子数来命名它们,一旦我们可以命名它们。

麻省理工公开课 - 化学原理课程节选

Now, that is not the most general thing, but I'm sure you guys have some idea of why we are interested in that.

这并不是最普遍的情形,但我确定你们知道我们为什么喜欢它

耶鲁公开课 - 基础物理课程节选

And that's true. An atom's not a defined sphere, for example.

这没错，原子并不是一个确定的球体，比方说。

麻省理工公开课 - 化学原理课程节选