Latin nouns have case, number and gender.

拉丁语名词有格、数和性。

《牛津词典》

They have arrested a number of leading opposition politicians.

他们已经逮捕了一些主要的反对党政治家。

《柯林斯英汉双解大词典》

I'm trying to get in touch with Jane. Do you have her number?

我正在设法和简取得联系。你有她的电话号码吗？

《牛津词典》

Intensive vaccination campaigns have reduced the number of new polio cases reported worldwide to fewer than two thousand a year.

VOA: special.2010.01.18

So unlike an int, this is the type of number that can have numbers after a decimal place.

所以，不同于int，这个类型的数字,可以有小数位。

哈佛公开课 - 计算机科学课程节选

But because you only have a finite number of bits, the takeaway for today is that there's only so much precision.

因为只有有限个比特，今天的重点就是，它就这么点精度。

哈佛公开课 - 计算机科学课程节选

Marty Bentrott, vice president of sales, marketing and in-service support for the 787, says that since 1990, the number of city pairs more than 3, 000 nautical miles apart served by the world's airlines have doubled, the number of frequencies offered by the airlines have doubled, and the number of available seat-kilometers (seating capacity times miles flown) have doubled.

FORBES: Boeing Versus Airbus

We have seen the number of PS3 sold as well as the number of Xbox360 add on drives and while some studios have made claims to having the number 1 selling movie on both formats, neither have stated any hard numbers for those of us keeping track of that sort of thing.

ENGADGET: Where are the official HD DVD vs Blu-ray sales numbers? HD

For the coming year, even as we have reduced the number of economic migrants overall by seven thousand, we have actually increased the number of Tier 2 visas available.

BBC: In full: David Cameron immigration speech