He says about 13 U.S.troops will be attached to each Afghan battalion of about 500 soldiers, and also to police units.

VOA: standard.2009.03.31

Because it takes three units where there's only four choices at each position to have at least 20 unique combinations.

因为每个位点上仅有四种可能性,只有采用三个碱基一组,才能取得至少二十种不同的组合方式

耶鲁公开课 - 生物医学工程探索课程节选

And that's where like, in Phase One, you can only sign up for 10 units worth of classes.

比如说，在第一阶段，你只能报10个学分的课程。

关于授课系统 - SpeakingMax英语口语达人

Among those helping distribute and secure the aid are about 1,000 soldiers from one of the U.S.Army's premier combat units, the 82nd Airborne Division.

VOA: standard.2010.01.19

There's no reason not to do splits either because it's just changing the units of measurement.

不分割也无可厚非,它只是改变了量度的大小

耶鲁公开课 - 金融市场课程节选

So, what you have are small, poor, weak units, and that's a miserable situation.

我们所看到的是微小的,贫穷的,虚弱的小单元,这是一种悲惨的境地

耶鲁公开课 - 古希腊历史简介课程节选

A polymer is just a large molecule that's made up of repeated units.

聚合物就是由,重复单位构成的大分子

耶鲁公开课 - 生物医学工程探索课程节选

I think they were just a succession of dings but I'm hearing it-- my mind wants to hear this organization So there's another organization here of units of three.

我想它们就是一组连续的,叮,但我听到的是这样的,我的大脑希望听到这样的组织方式,那么这里还有另外一种三拍一组的形式

耶鲁公开课 - 聆听音乐课程节选

Everything's got to be in the right units.

每个数据都要有合适的单位

耶鲁公开课 - 基础物理课程节选

Also, I'm used to teaching this course three times a week and now it's suddenly twice a week, and so things that fell into nice 50-minute units are now being snipped up different ways, so it's pretty difficult.

还有,我的课程安排原来是一周三次,现在突然变成了一周两次了,所以原来 50分钟一节的内容,现在被拆成两部分了,这个有点儿难办

耶鲁公开课 - 基础物理课程节选

As you may know, there's yet another organization where we could group this in units of four but for all intents and purposes-- there are a few nuances to it-- four is simply a multiplication of two.

也许你知道的,还有另外一种组织方式,我们可以四拍一组,但是不论出于什么动机或者目的,这其中的区别甚微,四拍就是两拍的简单相乘

耶鲁公开课 - 聆听音乐课程节选