Mars Day at the Smithsonian Air and Space Museum in Washington is a celebration of our solar system's most famous planet.

VOA: special.2010.07.28

In the 80s and the 90s, you had a very... economic system was very... you had a lot of tiers.

在八九十年代，你有一个很……经济体制很……分很多层次。

纽约的负面变化 - SpeakingMax英语口语达人

And Pauli says no two electrons in a given system can have the entire set of quantum numbers identical.

而泡利认为在一个给定的系统内,没有两个电子有完全相同的量子数。

麻省理工公开课 - 固态化学导论课程节选

RIM says its system is set up in a way that no one, including RIM, can access user information.

VOA: special.2010.08.06

so I'm heating up the system in this path here, and then to connect the 2 endpoints here, a constant temperature path.

需要再用，一个等温过程，这两个状态。

麻省理工公开课 - 热力学与动力学课程节选

In two thousand six, Defense Secretary Robert Gates advised President George W.Bush to base a missile defense system in Europe.

VOA: special.2009.09.19

So magic in a pagan system, Kaufman claims, is a way of getting around the gods, circumventing the capricious will of the gods and demons.

考夫曼宣称，异教系统中的法术，可以用来应付众神,能使反复无常的神谕和恶魔的诅咒失灵。

耶鲁公开课 - 旧约导论课程节选

Those challenges included an economic downturn, wars in Afghanistan and Iraq and a promise to reform the health care system.

VOA: special.2010.01.23

An automobile approaching with a souped-up audio system in it, and what sound do you hear at the very first?

一辆大声开着音响的汽车开来,最初,你会听到什么声音

耶鲁公开课 - 聆听音乐课程节选

A major reform of the American system of health care and insurance has moved farther in Congress than ever before.

VOA: special.2009.11.13

Democracy, in final analysis,is a system of governance based not only in trust but also distrust.

归根结底，民主就是治理体系,不仅基于信任，也以不信任为基础。

麻省理工公开课 - 媒体、教育、市场课程节选

New legislation in Congress proposes to require all states to have what is called a graduated driver licensing system.

VOA: special.2010.07.01

Every advanced country in the world has a system that provides for this, including the United States, incidentally.

世界上每一个发达国家,顺便一提，包括美国在内，都有应对这些情况的制度。

耶鲁公开课 - 金融市场课程节选

And in societies where there is less trust between people, the quality of the legal system plays a larger part.

VOA: special.2009.12.19

In fact, a real powerful virus would skip the respiratory system altogether, even better than a cold virus.

事实上，真正强有力的病毒,会跳过呼吸系统，比感冒病毒好的多。

耶鲁公开课 - 心理学导论课程节选

But last month,a computer programmer from Australia made an exciting discovery of an unusual event in Earth's solar system.

VOA: special.2009.08.25

A patterned series of these tiny charged berries on the disk represents a single bit of data in the binary number system used by computers.

这些在磁盘上的有序的小粒子,代表这个当代计算机中,二进制中单独的一位。

哈佛公开课 - 计算机科学课程节选

Professor Gaechter says social order in general can be explained as a system in which individuals behave cooperatively and follow social rules.

VOA: special.2009.03.03

This will lead us into a discussion of sort of bioengineering of the immune system, in particular, and we're going to talk next week about vaccines.

我们会借此展开对,免疫系统的生物医学工程化的讨论,下周我们将讲到疫苗

耶鲁公开课 - 生物医学工程探索课程节选

But he hopes to raise billions through a system in which businesses that release greenhouse gases would buy and trade pollution permits.

VOA: special.2009.02.27

It is a system of signs, in other words, that we can make use of, that we recognize as signs precisely because they exist among us as something that can be shared in common.

它是一套符号，我们可以利用，我们可以清楚地辨明这些符号，它们无处不在,是我们大家共同分享的。

耶鲁公开课 - 文学理论导论课程节选

A recent report shows that the small organ has a much more important job in the body's defense system than once believed.

VOA: special.2009.08.25

So, we have a problem here if we're thinking about keeping things at the lowest energy, so there's a lot of ring strain in the system.

现在有个问题,我们考虑要把能量降到最低，所以环上有许多应力。

麻省理工公开课 - 化学原理课程节选

And now Ms.Rhee appears in the film "Waiting for 'Superman,'" a documentary about problems in the educational system.

VOA: special.2010.10.21

Well, the thought, I suppose is, in philosopher's jargon, that the computer is a deterministic system.

对于这个观点,我认为,以哲学的语言可以表达为,电脑是个决定论的系统

耶鲁公开课 - 死亡课程节选

Continuing disasters in the Indian Ocean made Indonesia decide it must have a warning system of its own.

VOA: special.2009.03.17

How do the components of A in the new rotated coordinate system relate to the components of the old coordinate system?

在旋转后的新坐标系中 A 的分量,和原始坐标系中 A 的分量有什么关联呢

耶鲁公开课 - 基础物理课程节选

The United States Forest Service soon had trees planted in some areas and a rough road system built.

VOA: special.2009.07.20

It turns out everything around us moves energy around in one way or the other If you're a biological system, you're burning calories, burning ATP.

我们周围的一切物质,都以这样那样的方式传递着能量,如果你是一个生物系统，你会燃烧卡路里，燃烧。

麻省理工公开课 - 热力学与动力学课程节选

I have shown that by taking Avogadro's number of individual ion pairs and putting them all together in a line, the system's energy became more negative.

我推导出了,从每一个离子对中抽出阿伏加德罗常数,再把它们放在一起在一列中，这个系统的能量就变得更负。

麻省理工公开课 - 固态化学导论课程节选