The number of managers must double to 100 within 3 years.

3年之内管理人员的数量要翻倍，达到100名。

《柯林斯英汉双解大词典》

Lightbox, Inc., owns almost all of the movie theaters in Washington County and has announced plans to double the number of movie screens it has in the county within five years.

Lightbox 公司几乎拥有华盛顿县所有的电影院，并宣布计划在五年内将该州的电影院数量增加一倍。

youdao

The program counts the number of occurrences of any word, within the text.

这个程序可以统计任何单词在文本中出现的次数。

《牛津词典》

Mr.Lafortune says a large number of nurses are expected to retire within the next ten years.

VOA: special.2010.06.07

It tries to shrine for women certain rights within the home: the citizenship to the number and spacing of their children. Well, that makes people opposed to abortion very very worried or the family planning.

这项条款致力于保护妇女,在家庭里的权利：,包括，公民权，抉择子女数量以及空间权,这一点使得那些反对堕胎,反对计划生育的人非常焦虑。

普林斯顿公开课 - 人性课程节选

Within that number, the Roman Catholic church, reinforced by immigrants, has seen its numbers rise.

ECONOMIST: Well, it does exist��but not in an organised way

And within a number of months after that, another 4 million had been lost in the recession.

WHITEHOUSE: Press Briefing

"While not confirmed, tragically we have grave fears that there may be one or more fatalities within this number, " he said.

BBC: UK