The scientists found that the affected bees had a number of viruses from a group called picorna-like viruses.

VOA: special.2009.09.22

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

The way that we can figure this out is using something called bond order, and bond order is equal to 1/2 times the number of bonding electrons, minus the number of anti-bonding electrons.

我们可以用叫做,键序的概念来弄明白它，键序等于1/2乘以成键电子,数目减去反键电子数目。

麻省理工公开课 - 化学原理课程节选

But they called for investigation of a large number of reports of voter registration cards being sold.

VOA: special.2009.08.22

Once you can take one derivative, you can take any number of derivatives and the derivative of the velocity is called the acceleration, and we write it as the second derivative of position.

只要你能求一阶导数,你就能求任意阶的导数,速度的导数被称为"加速度",我们把它写成位移的二阶导数

耶鲁公开课 - 基础物理课程节选

A growing number of lawmakers called for a new foreign policy.

VOA: special.2010.07.08

For example, Facebook -- but in China there are a number of Facebook-like services, some of them very popular. One of them is called Xiao Nei.

以Facebook为例，在中国,有许多类Facebook的网站，做得十分成功，其中一个叫做“校内“

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

He also discovered a number of star systems called galaxies.

VOA: special.2010.07.11

If you really want a longer number, it's called a "long long."

如果你们真的需要一个很长的数值，有一个叫做“long，long“的类型“

哈佛公开课 - 计算机科学课程节选

These are part of the so-called "Show Me Your Number" program, which uses football players to create awareness of HIV/AIDS.

VOA: standard.2010.05.29

"We continue to monitor production of Russian mobile missiles to ensure that in their production of the SS-27 mobile , they are not also building,covertly, a missile called the SS-20 which was banned during the Reagan years [So there are a large number of measures which allow the governments to be confident that the other side is in fact carrying out the treaty,"

VOA: standard.2009.04.08