The reason this matters is a number called delta.

这一点之所以很重要，是因为一个叫做delta的数值。

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Michael calls the last number called on Sandinsky's cell phone. Christina picks up.

迈可拔通了最后一个打给文森特的电话号码，克里斯蒂娜接听了电话。

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For a computer or any other device to be part of the Internet, it needs a unique identifier-currently a long number called an internet-protocol (IP) address.

为了让一台电脑或任何设备成为英特网的一部分，这就需要一种奇特的识别器——目前使用的是称作为英特网协议(IP)地址的一长串数字。

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Before last week's announcement, the total number of so-called exoplanets outside our solar system was just over five hundred.

VOA: special.2011.02.09

He came up with the relationship that nu bar, which is called wave number --He found the reciprocal.

他也提出了它们与波数的关系，波数是波长的倒数。

麻省理工公开课 - 固态化学导论课程节选

So, if we look at what the other sub shells are called, essentially we're just converting the number to a letter.

我们来看看,另外的子壳层叫什么，本质上，我们就是把数字转换为，一个字母。

麻省理工公开课 - 化学原理课程节选

The culprit here is a number called the North Atlantic Oscillation index.

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Companies sell goods and services at a price, and all those sales together go into an aggregate number called revenues.

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When light travels through glass, it slows down (the amount it slows is measured by a number called the refractive index).

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