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 researchers measured the magnetic strength of certain rocks found in the Kaapvaal craton of South Africa, a geologic region known to date back more than 3 billion years.

研究者测量了一些在南非卡普瓦尔（Kaapvaal）克拉通（craton，稳定地块）被发现的岩石的磁场强度，卡普瓦尔克拉通是公认为可以追溯到30多亿年前的一块地质区域。

youdao

Strength S 1, 2, 3, 4, I, or d.

强度s 1、2、3、4、i或d。

youdao

It had the strength of 3, 800 Fat Boy Atomic bombs used on Hiroshima alone in World War II.

FORBES: It Was On A Night Like This In Russia, 50 Years Ago...

And three to five of those hurricanes will be in the major category, or Category 3 strength and higher.

NPR: Hurricane Center Weathers Own Storm

In reality, six hurricanes reached Category 3 strength or higher, out of the nine storms that eventually were designated hurricanes.

CNN: NOAA predicts two or three hurricanes to hit U.S.