In the middle of a study period, you must be a little tired.

在学习期间，你一定有点累了。

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Here are the materials you need to have a successful study period.

这些是你在一段成功的学习期间所需要的材料。

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We identified 4657 measles cases and 64 deaths in the study period and area.

我们确定在研究期间研究地区有4657个麻疹病例和64个死亡病例。

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During the study period most countries had greater temperature changes from year to year than they have had historically.

VOA: special.2011.05.17

Now maybe you're right, that we could study that, in fact, more people are born in June period.

可能你说的对，调查那些没有患厌食症的人，实际上还是会发现大多数人都是6月出生的。

麻省理工公开课 - 计算机科学及编程导论课程节选

A cohort study means you take the same group of people and follow them every five years for that period of time.

定群研究意味着你只有一组研究对象,然后在研究期间每五年进行一次记录数据

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In all, 534 women had a breast cancer recurrence or died from breast cancer during the study period.

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Average walking distance on the six-minute test improved from 1, 508 feet to 1, 588 feet over the 30-day study period.

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The overall disability rate rose from about 13 percent to just over 15 percent during the 12-year study period.

CNN: CDC: Autism, ADHD rates on the rise