The strength of the workforce is about to be doubled from 3 000 to 6 000.

职工人数将翻一番，由3 000人增加为6 000人。

《牛津词典》

The letter "f" should be doubled.

字母“f”应该双写。

youdao

Yes, but that would not be doubled .

是啊，但那是不会被加倍的。

youdao

And he said the number of facilities supplying anti-retroviral drugs used to combat AIDS would be doubled from 500 to 1,000.

VOA: standard.2010.04.26

And the reason I want to show you this is to notice that the recursion can be doubled.

如果我来写斐波那契数列你可以看看这儿,原因是我想让你看看这部分的递归可以翻倍。

麻省理工公开课 - 计算机科学及编程导论课程节选

UNICEF's Lake said even in Senegal, where the number of public schools has doubled in the last decade, there is still work to be done to achieve gender equality in schools.

VOA: standard.2010.05.19

Many think the EFSF, to be credible, should be doubled or tripled in size.

ECONOMIST: Charlemagne

Intelligence sources say the number of Kodam could be doubled from the current 10.

CNN: AND THE KILLING GOES ON

Credit to rural areas, for example, will be doubled over the next three years.

ECONOMIST: India's economic reforms: Can India work? - India's economic reforms | The