"American exports grew almost seventeen percent over the first four months of this year, compared to the same period last year.

VOA: special.2010.07.09

Pauli So, here, Pauli came out on top, we say, and he's known for the Pauli exclusion principle, which tells us that no two electrons in the same atom can have the same four quantum numbers.

在这里是，他因为Pauli不相容原理而出名，这个原理是说同一个原子中的两个电子,不能有相同的第四量子数。

麻省理工公开课 - 化学原理课程节选

But after that, the math is the same, eight times whatever, four times whatever, two times whatever, and so forth. So what's 7?

然后，计算方式是一样的，八位，四位，二位，等等，那7怎么表达呢？

哈佛公开课 - 计算机科学课程节选

Using the same amount of land, the new wheat variety could produce three to four times as much food.

VOA: special.2009.11.10

- The same place is that energy is a function of these four quantum numbers.

它就是这个结论,能量是这四个量子数的机能显示。

麻省理工公开课 - 固态化学导论课程节选

The island now measures four hundred sixty-one hectares, about the same size as in the eighteen eighties.

VOA: special.2009.10.06

Why do you have four different chapters of this book, all telling the same story?

为什么一本书要有四个不同的章节，来讲述同一个故事？

耶鲁公开课 - 新约课程节选

Others who want to graduate in three years must pay for the same education as four-year students, but in a shorter period of time.

VOA: special.2009.07.23

All four of these orbitals have the same energy, t hey're degenerate.

这四个轨道,能量相同,是简并的。

麻省理工公开课 - 化学原理课程节选

A new study found better results in four-year-olds who go to bed around the same time every night and sleep at least eleven hours.

VOA: special.2010.06.09

Four notes, something as simple as that, same rhythmic idea, so that's the use of a motive there and that's how these movements are tied together a little bit.

四个音符,就这么简单,同样的节奏,所以这就是动机的运用,这就是乐章间的微妙联系所在

耶鲁公开课 - 聆听音乐课程节选

The same was true of almost one in four children under two years of age.

VOA: special.2009.10.28

They were the same people who were always trying to annex Cuba; about four times over they tried to annex Cuba, and it's still a bit of mystery how it never happened.

他们与妄图吞并古巴的是同一伙人,他们曾四次试图吞并古巴,这个阴谋最终因何没有得逞倒是个谜

耶鲁公开课 - 美国内战与重建课程节选

University of Illinois Professor May Berenbaum says it appears that bees could deal with one or two viruses at the same time, but not three or four.

VOA: special.2009.09.22

All four of these hydrogens are electron-deficient in the same manner.

四个氢都是,以相同的方式缺电子。

麻省理工公开课 - 固态化学导论课程节选

At the same time, four Tier-Three countries from last year were upgraded in recognition of their anti-trafficking efforts Algeria,Moldova,Oman and Qatar.

VOA: standard.2009.06.16

So, for example, if we're talking about the n equals 2 state, all of these four orbital descriptions are going to have the same energy.

例如，当我们说n等于2的态，所有这四个轨道的能量,都是相同的。

麻省理工公开课 - 化学原理课程节选

Four other men, accused of being part of the same conspiracy, had previously pleaded guilty and have been sentenced to up to 14 years in prison.

VOA: standard.2009.10.17

We all know that overseas development assistance allocated to agriculture dropped from 18 percent in 1978 to just over four percent in 2008, The amount of money spent by developing countries on agriculture during that same period also dropped sharply.

VOA: standard.2010.03.29