它们可以是基表或者中间结果集。

They can be base tables or intermediate result sets.

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救生衣放在座位下面或者中间扶手的下面。

Your lifejacket is located under your seat or beneath your centre armrest.

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对于随机的变化关键要记住的是，实际的观测资料都在平均数或者中间值周围。

The key thing to remember about random variables is that actual observations are centered around an average, or mean value.

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So, for example, hydrogen or fluorine they'll never be in the middle, they'll always be on the end of a molecule.

比如，氢或者氟,永远不会在中间，它们总是会在分子中最边缘的位置。

麻省理工公开课 - 化学原理课程节选

I know some of you come from Europe and other parts of the world where the ground floor is rez-de-chauss?e or some silly thing like this 1 and you push a button on the elevator to one and you go up to the first floor.

我知道你们中间有些人来自欧洲,或者世界其他地方，你们那里的一楼,和地面齐平，或者像这样可笑的事情,比如你要按下电梯的按钮,然后才能上到真正的1楼。

麻省理工公开课 - 固态化学导论课程节选

If you go to an antique dealer-- maybe you're familiar or maybe you've done this if you've bought furniture for some apartment or something.

如果你认识古董中间商,你可能会熟悉这个,或者你曾为公寓买过家具之类

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