I've started keeping a small study diary.

我已经开始写简短的学习日记了。

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The researchers did a small study. They tested 18 young people who had good sleep after a sleepless night.

研究人员做了一项小型研究。他们测试了在一夜无眠后睡了个好觉的18名年轻人。

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During a small study with 18 workers, they assessed how feasible it would be for the bikes to be introduced.

研究人员抽选了18名员工进行一项小规模研究，评估引入这种自行车的可行性。

youdao

A newly reported British study suggests that taking another drug with a small amount of aspirin may help solve the problem.

VOA: special.2009.10.20

Just take a small example: the Bureau of Study Counsel.

举个小例子：,学习咨询处。

哈佛公开课 - 幸福课课程节选

Study leader Pooja Tandon says even small calorie reductions on a regular basis can prevent weight gain over time.

VOA: special.2010.01.27

But this is a small study, and more research should be done to back up these conclusions.

CNN: Beholding beauty: How it's been studied

Research was carried out in the US on a small study group who complained of sudden "explosive" headaches.

BBC: Stroke 'link' to combining medicines

British Society for Rheumatology president Dr Andrew Bamji said it was a small study so difficult to draw firm conclusions.

BBC: NEWS | Health | Cod oil 'cuts arthritis drug use'