"The brain-machine interface is a system that allows disabled people, people suffering from physical disabilities to communicate with external world and also to control devices."

VOA: special.2011.04.04

Because it's so important. And I should add and also under reversible work, where the external pressure is equal to the internal pressure.

而且我还要说应该在外部压强,和内部压强相等的,可逆过程中引入它。

麻省理工公开课 - 热力学与动力学课程节选

So the force that you're pushing down on here is the external pressure times the area.

或者压缩功的概念,在活塞上施加压力。

麻省理工公开课 - 热力学与动力学课程节选

He spoke to the Polish Radio External Service.

VOA: special.2009.09.19

So, these are all involved with our ability to maintain homeostasis by exchanging materials with the external environment.

这个过程关乎人体维持内稳态的能力,内稳态通过与外环境进行物质交换来实现

耶鲁公开课 - 生物医学工程探索课程节选

"There was no indication of any external trauma or any indication of foul play on the body of Mr.Jackson."

VOA: standard.2009.06.26

Not saying that the external circumstances are not important, we should focus also on improving them,bettering them, whether for ourselves,for society at large.

并不是说，外部环境不重要，我们同样应该注重改善外部环境，无论是我们自己，或对整个社会。

哈佛公开课 - 幸福课课程节选

External pressure, including the reported mediation of U.S.Ambassador Christopher Hill, was heavy to ensure the lawmakers acted.

VOA: standard.2009.11.09

The child has no understanding in any real way of the external world.

儿童对于外部世界并没有什么真正的认识

耶鲁公开课 - 心理学导论课程节选

Minister of External Affairs Celso Amorim told the council that the embassy has been under virtual siege by the de facto Honduran authorities.

VOA: standard.2009.09.25

The external communication is the product.

外部交流就是产品。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

He also met with external affairs minister Krishna, national security advisor M.K.Narayanan and other members of the cabinet of Prime Minister Manmohan Singh.

VOA: standard.2009.10.16

He believed strongly that archaeological findings were important external evidence for the basic historicity and authenticity of, for example, the patriarchal stories.

他坚信，考古发现对基本的历史真实性和,比方说族长故事的可信性来说,都是重要的外部证据。

耶鲁公开课 - 旧约导论课程节选

He said technicians are confident that they have fixed the hydrogen leak, which was found while NASA crews were filling the shuttle's external fuel tank.

VOA: standard.2009.06.16

And why is that? Within the perspective of Milton's free-will theology, sin can't exist as an external reality.

为什么呢？从弥尔顿自由意志的学说的角度来看，原罪是不可能以永久现实的形式存在的。

耶鲁公开课 - 弥尔顿课程节选

While TV and Radio Marti have received praised for broadcasting news to people in Cuba, where the government jams foreign signals, TV Marti continues to face internal and external criticism.

VOA: standard.2009.06.18

But we've expanded the list of goods so it includes external goods and not only experiential or internal goods.

但是我们扩展了美好事物的定义,所以它包括物质方面的美好事物,而不仅是经验和内心方面的美好感受。

耶鲁公开课 - 死亡课程节选

"If you look at the content of Lech Kaczynski's policies, it was basically this sense of threat to Poland coming both from external sources, from Russia,from Germany, from the European Union."

VOA: standard.2010.06.17

Because what we've done is we forced p, pressure here, to be equal to the external pressure.

因为这里我们让内部的压强，等于外部的压强。

麻省理工公开课 - 热力学与动力学课程节选

But Adam Burakowski, a political analyst at the Polish Academy of Sciences, has told the Polish Radio External Service that the victim count also included Poles and other non-Russians who were made Soviet citizens after the war.

VOA: standard.2009.09.01

This is an example where the external pressure here is kept fixed as the volume changes, but it doesn't have to be kept fixed.

在我们举的这个例子中,外界压强不变，气体体积改变。

麻省理工公开课 - 热力学与动力学课程节选

Zbigniew Lewicki, a specialist in American studies at the University of Warsaw, told the Polish Radio External Service that there is also concern about Russia's perceived attempts to increase its influence in former Soviet satellite states, including Poland.

VOA: standard.2009.09.17

This piston is being brought out, so we expect 0 the work to be negative, negative. And we start o V2 ut with zero volume. We end up with a volume p2 of V2, and the external pressure is constant to p2.

所以我们可以想象功是负的,开始的时候体积是,最终的容积是,外界的压力恒为。

麻省理工公开课 - 热力学与动力学课程节选

We've changed the external pressure slowly, and again this is isothermal.

我们慢慢改变外部压强，这个过程也是绝热的。

麻省理工公开课 - 热力学与动力学课程节选

The respiratory system, for example, the renal system, the digestive system, these are examples - three examples of organ systems that contact the external environment.

例如,呼吸系统,泌尿系统,消化系统,这些系统,这三个系统,与外环境相联系

耶鲁公开课 - 生物医学工程探索课程节选

We've talked about the interesting way in which the digestive system contacts the external environment.

我们会讲到,消化系统与外环境之间十分有趣的联系

耶鲁公开课 - 生物医学工程探索课程节选

It's about transformation, as opposed to the external information or the external success.

重要的是转变，而不是外部信息或外部成功。

哈佛公开课 - 幸福课课程节选

Most of it would present learning as the acquisition of associations, of skills and capacities that are external and not intrinsic to the human character, " to the human personality, to the person himself."

大部分内容把学习展现为获得联想，技能和能力，这些对于人的性格，人的个性，人本身来说只是外在而并非本质的“

哈佛公开课 - 幸福课课程节选

So this is the external pressure.

这是外界压强。

麻省理工公开课 - 热力学与动力学课程节选

Then you put two pistons, one on that side here and one on this side here, and the external pressure here, we're going to call that p1.

接下来我们放进两个活塞,一个在这，一个在这,这变外界的压强为p1；

麻省理工公开课 - 热力学与动力学课程节选