Over the years, so many researchers have spent so much time on the mountain that some call it the most-studied landscape on earth.
多年以来,那么多研究人员在这座山上花费了那么多时间,他们甚至称它为地球上被研究最深的一块土地。
A wealth of useful information that some call big data, once available only to big corporations, is becoming increasingly affordable and available to a variety of small businesses.
以往大量有用的信息,一些所称的大数据曾经只提供给大公司,现在这些正变得越来越便宜,适用于各种小型企业。
This makes it more difficult for students to buy papers from companies that some call "plagiarism mills" or "essay mills."
VOA: special.2009.04.23
Partly to show you that it's kind of weird, but also to tell you that one of the things you want to do is exercise what I'm going to call some type discipline.
一定程度上来说这有点儿怪,但是还是想要告诉你们的是,你们需要做一些,我称之为类型规范的练习。
And that the fact that it split into two was telling them that there must be some new property to the electron, and what we call that now is either being spin up or spin down.
它能一分为二的,事实告诉我们,电子一定有某种新的性质,我们叫它自旋向上或者自旋向下。
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