For the purposes of this study, the three groups have been combined.

为了这项研究工作，三个小组业已合并。

《牛津词典》

There are three groups now.

目前有三个组。

youdao

These three groups are rarely identical.

这三个群体很少是相同的。

youdao

It must have fourteen lines, with three groups of four lines that set up the subject or problem of the poem.

VOA: special.2010.01.06

A studio of three hours' lecture in a large lecture hall, and two hours of recitation in groups of thirty.

在一个大的讲堂的教室里,讲三个小时讲座，并以三十人为一组,进行两小时背诵。

麻省理工公开课 - 媒体、教育、市场课程节选

You can see that when you get out to the highest groups here, the highest weights, the relative risk is up at two and a half or three, so that would be a 200% increase in risk for cardiovascular death or two to three times the risk of death.

当我们看图上相对风险最高的这组,也就是体重最大的这组,这组的相对风险大约是2.5倍到3倍,即心血管疾病致死的风险增加了200%,或者说增加了2到3倍

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But all three groups parts markers, OEMs, and ODMs feed stock into the market.

FORBES: Shadow Market Keeps Computer Components Flowing

Percentages for all three groups are very similar on the need for a public plan.

FORBES: What's a politician to do?

AlgoSec sells to three groups of customers large enterprises, managed service providers, and auditors.

FORBES: AlgoSec Accelerates Enterprise Security