Two parallel group trials found no significant difference in machine usage, whereas a cross-over study found a significant difference.

两项平行组别试验未发现机器使用有意义的差异，然而，一项交叉试验显示有意义的差异。

youdao

A month after the training was over, study participants were invited back on-line and their working memory and alcohol intake was assessed once again.

训练结束一个月后，实验参与者被邀请上线，对他们的工作记忆、酒精摄入量进行再次测量。

youdao

Over-study hath done this, and somewhat too much of confinement.

这是过度学习和过度限制造成的。

youdao

But in a recent study they declared that forty percent of the tweets captured over a two-week period were "pointless babble."

VOA: special.2009.09.14

So when we talk about a cohort study, this means taking a group of people and following them over time.

所以当我们提到定群研究,就意味着,有一群人参加实验并需一直追踪下去

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

it's the study of how languages change over time.

它研究的是语言的历史变化。

我的专业 - SpeakingMax英语口语达人

By the time the requirement of home recruitment was relaxed, a new leadership had taken over the study at NIH, creating a second problem.

FORBES: What Caused A Billion Dollar Federal Study Of Child Health To Implode?

The former chief inspector of schools in England expressed his doubts over the study's findings that the youngest pupils were more unhappy in the early years of school.

BBC: Magazine

Nobody should stop taking their Zoloft over this study.

FORBES: Antidepressant Foods