These studies may be comprised of either basic animal or human research or both.

这些研究包含基本动物和(或)人类研究。

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The types of human research that we can do—such as brain scans—aren’t detailed enough for identifying words, using grammar, and the act of speech.

而我们能在人类身上进行的研究，诸如大脑扫描，对甄别具体负责文字、语法和讲话的功能区域还远远不够。

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Research on athletes and ordinary human subjects has yielded a mixed bag of results.

对运动员和普通人的研究得出了混合的结果。

《柯林斯英汉双解大词典》

In March, President Obama ended restrictions on the use of federal money for research using human embryonic stem cells.

VOA: special.2009.04.07

In other words, my belief-- and I am going to back that up with research today and for the next semester-- is human nature is fixed.

换言之，那是我相信的观点-,我会用三个研究加以证明，从今天开始,直到下个学期-,人类本性是固有的。

哈佛公开课 - 幸福课课程节选

Now several lectures down the road we'll talk about modern food and epidemiology; that is what the research on food intake and human health, and what do we know about our health and well-being based on diets.

接下来的几堂课,我们将讨论现代食品和流行病学的关系,即食品摄入与人类健康方面的研究,我们通过饮食来了解自身健康状况

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Nasa said that the investigations will cover human research, biological and physical sciences, technology development, Earth observation, and education.

BBC: Soyuz spacecraft docks at ISS after just six hours

He says half of his money will go to human research.

FORBES: Magazine Article

However, he said that his team was still a long way from moving into human research, as scientific and political obstacles had yet to be overcome.

BBC: NEWS | Health | Mouse cloned to cure Parkinson's