For every one unit increase in BMI in the teen years, the study found a 12 percent increase in the risk of heart disease around 20 years later.

研究表明在青少年时期，BMI指数每增加一个单位，20年后你患心脏病的几率就会增加12%。

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For example, when you buy English lessons from Showay English, we will tell you that you must study that one lesson at least 30 days, one full month, for a unit.

例如，你从韶唯英语购买课程，我们会告诉你一节课一个单元的内容你必须学习至少30天以上，整整一个月。

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On the study of system evaluation approach today, each decision unit is commonly regarded as one object and selected by evaluation institution, which is not reality because of the absence of rivalry.

在现今的系统评估方法研究中，通常把每一决策单元，即被评估者看成一种客体，被动地由评估者进行优选，缺乏竞争性，往往与现实不符。

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It could be the letter understood either graphically or audibly, and the variety of ways in which one can choose a basic unit in the study of linguistics means that you need a special word for that unit, which is characteristically "the tagmeme."

它既可以以图像的方式理解，也可以以声音的方式，因为每个人研究时选取的,基本的语言学单位不一样,所以需要一个特殊的名词来指代这个单位，这就是，法位“

耶鲁公开课 - 文学理论导论课程节选

"It looks like we have found a key genetic gatekeeper of puberty in mice and men, " said Dr William Crowley Jr, chief of the reproductive endocrine unit and one of those involved in the study.

BBC: NEWS | Health | Gene 'decides timing of puberty'

"They have a well-oiled machine, " said Patrick, one of the authors of the national study, said of the Knoxville hospital unit.

NPR: Tenn. Hospital Treats Drug-Dependent Babies