An increasing number of plays are now being signed.

现在越来越多的戏剧配上了手语。

《牛津词典》

Thirteen is often considered an unlucky number.

十三常被认为是不吉利的数字。

《牛津词典》

There is an equal number of boys and girls in the class.

这个班男女生人数相等。

《牛津词典》

Last week, we told you that the number of foreign students in the United States had reached an all-time high.

VOA: special.2009.12.03

And if it is going to be a standing wave then this must be an integral number of wavelengths.

如果这有个驻波的话,那么周长就是个整数。

麻省理工公开课 - 固态化学导论课程节选

So there are also an increasing number of women in computer science and particular this course which we are thrilled about.

所有有越来越多的女生对计算机,尤其是对我们这门课程感兴趣,我们很高兴看到这一情况。

哈佛公开课 - 计算机科学课程节选

For we have an EU 15 number of 0.3 and an EU 27 number of 0.3.

FORBES: The Amazing Thing About American Inequality: How Equal The Country Is

The book profits number is an accrual number.

FORBES: Megacorps Are Not Overtaxed

The standing order is for the Air Force to increase that number of air patrols to 65 a day by May 2014, although officials say that is an arbitrary number not based on an analysis of future combat requirements.

NPR: Military Weighs Cutbacks, Shifts In Drone Programs