Standard light microscopes don't allow researchers to look into the interior of the living brain, where memories are formed and diseases such as dementia and cancer can take their toll.

普通的光学显微镜并不能帮助研究者观察活体大脑的内部，而这些部位才是记忆形成或者像痴呆和癌症这样的疾病发生的场所。

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But as the standard forty hour workweek gets pushed longer and passive entertainment becomes easier to consume, it is harder to take up active leisure.

但是，随着标准的每周四十小时的工作时间拉长，消极的娱乐活动令人感到更自在，因而人们难得参加积极的休闲活动。

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As with many standards, part of DITA's appeal is that conforming to it lets you take advantage of commercial and free software built around the standard.

与许多标准一样，必须符合DITA，才能使用围绕这个标准构建的商业软件和免费软件。

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I computed the returns on the stocks, bonds, and oil for every year from 1983 and I computed the average returns, which I take as the expected returns, I took the standard deviations, and I took the covariance.

我计算了从1983年以来每年的股票,债券和石油的收益，从而得出平均收益率，这些平均收益率作为预期收益率，然后算得标准差及协方差。

耶鲁公开课 - 金融市场课程节选

Patients getting the modified label were two times as likely to take their medications as directed compared with those receiving standard labels, the study found.

WSJ: Ring, Buzz, Flash: It Must Be Time to Take Your Medicine

We're not saying the iPod is innocent here or anything, but we'll take H.264 as a standard over WMV any day.

ENGADGET: Zune review