一组肌肉带动下一组肌肉运动。

One group of muscles sets the next group in motion.

《柯林斯英汉双解大词典》

他们将通过现场电话向下一组的密码员发送信息。

They would send messages by field telephone to the code talker in the next group.

youdao

它还定义了以下一组引用约束。

It also defined the following set of informational referential constraints.

youdao

Well, a cross-sectional study would mean that you'd get a random group of the population and measure them in 1970 and then take another random group five years later and measure them, but it wouldn't be the same people necessarily, it would be different groups of people.

那么,横断面研究就是,1970年你在人群中随意选择一组人,并记录下相关数据,然后,五年后再随意选择一组人记录数据,但这不需要是同一组人,通常是不同的人

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选