study group

基本解释

Overall, the group that took practice tests did three times better than the study-only group.
总体来讲，经常做测试的那一组的考试结果要比不做测试的那一组好出三倍。
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If you're looking for the study-group feeling, try participating in an online discussion forum.
如果您想寻找学习小组的感觉，请尝试参与在线讨论论坛。
Eventually, after an awkward period of pulling away from his study-group friends, he joined a different circle of boys.
在经历了一段遭朋友排斥的不安时期后，最后，他加入了一个不同的朋友圈。

The University of Nottingham study examined whether the possibility of punishing free-riders leads to better group results.
The second case study of moral feeling is "in-group" and "out-group."
第二个道德情感的案例分析,是“内群体”与“外群体”
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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
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Meanwhile, Thomas Caldwell , a member of Thain's for-profit study group, was engaged in a very public seat-buying binge he'd begun in early 2004.
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