在观察性研究中，我们发现一些维生素 B 是有益的。

In the observational studies we found that some of the B vitamins were beneficial.

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另一项研究发现，儿童在自然环境中玩耍的方式有所不同。

Another study found that children play differently in a natural environment.

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生态学家在研究野兔种群时发现，北美雪兔的生长周期大约为10年。

Ecologists studying hare populations have found that the North American snowshoe hare follows a roughly ten-year cycle.

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This one I learned about in my own research about 20 years ago, and it never ceases to amaze me.

这是在我自己的研究中发现的,大概20年前，它一直让我很吃惊。

麻省理工公开课 - 固态化学导论课程节选

A real happiness smile, what's known as a Duchenne smile, after a neurophysiologist who studied it, involves moving the eyes.

真正开心的微笑是杜乡式微笑，在一个神经心理学者研究后发现，包括眨眼睛。

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You have a little more pressure in grad school, but sometimes that means when you're an undergrad your advisor will decide to put you on projects that maybe when you look at them seem a little bit silly.

那就是你们没有，要做出重大发现,或取得重大成就的压力,你们在研究生时候会有些压力,当然有时候这意味着。

麻省理工公开课 - 化学原理课程节选