Yet up at about five-thousand-four hundred meters the air pressure is only about half of what it is on the ground.

VOA: special.2011.04.06

And the triple point of water is 16K that temperature and pressure - there's a unique temperature and pressure where water exists in equilibrium between the liquid phase, the vapor phase, and the solid phase.

与水的三相点,我们定义它为273。,水的三相点,是一个特定的温度和压强,可以使水的液态，气态和固态三相共同达到平衡，三相点是液态。

麻省理工公开课 - 热力学与动力学课程节选

The piston has a cross-sectional area, a, and the force pressure is force per volume area.

我们以活塞系统为例，来说明膨胀功。

麻省理工公开课 - 热力学与动力学课程节选

We are going to relentlessly apply pressure on al-Qaida and its leadership, strengthening the ability of both Afghanistan and Pakistan to do the same."

VOA: special.2010.06.26

We could begin to put a certain amount of pressure on the text and possibly, as I say, - begin to do things with it which are kind of a five-finger exercise-- -- we'll be doing a lot more of that sort of thing--but which might work.

开始时我们应该对文本抱有一定的怀疑,就像我说的，用一种五指练习法来做-,以后我们会大量涉及到这种练习。

耶鲁公开课 - 文学理论导论课程节选

In nineteen thirty-eight, Adair got his first oil-related job with the Otis Pressure Control Company.

VOA: special.2009.03.22

As it does that it changes the volume of the heart and gives the - creates the pressure that moves blood around your body, so it has that muscular system.

这使心脏的体积发生变化,产生了足以使血液流遍全身的压力,这就是心脏中有肌肉系统的原因

耶鲁公开课 - 生物医学工程探索课程节选

But in eighteen thirty-seven, the pressure of the work caused his health to suffer.

VOA: special.2009.02.25

Black Boy We started this course talking about Black Boy - and the way that a whole world of pressure-- pushed on the borders of that work and actually changed its very material form.

在开始这门课的时候我们先讨论了,说了这个充满政治压力的种族矛盾激化的世界-,并且已经改变了,它的实体范畴的。

耶鲁公开课 - 1945年后的美国小说课程节选

Brennan promised that the United States will keep up the pressure on terrorist havens worldwide, including those near the Afghan-Pakistani border.

VOA: standard.2009.08.06

And he ended with the position that the only way to put pressure on spending was by cutting taxes I never heard him use the phrase " but he subscribed to the starve-the-beast thesis.

到最后，他倒过来了,说，要想给政府施压，来削减财政支出,减税是必由之路,他倒是没有明确说,但依我看，他用的这招叫“把帽子扔过墙去。

斯坦福公开课 - 经济学课程节选

"Anti-extremism legislation has been used to pressure an environmental NGO to stop work on environmental issues,"

VOA: standard.2009.08.04

I really think by being an activist and putting pressure on that board that has done nothing really--I think eventually that will happen, hopefully Maybe we'll have one or two more questions Two more questions and then we'll wrap up.

我觉得通过做一个改革者该做的,以及对现在无能的管理层施加压力,真的--如果顺利的话那终将发生,差不多再可以提一两个问题,再提两个问题然后我们就结束。

耶鲁公开课 - 金融市场课程节选

The BOJ has been under intense government pressure to stimulate the economy since the yen reached a 14-year high last week against the dollar.

VOA: standard.2009.12.03

You just change volume to pressure and basically you're looking at enthalpy under a constant -- anything that's done at a constant volume path with energy, there's the same thing happening under constant pressure path for enthalpy.

可以看到这就是把体积换成了压强,一般我们都是在一种恒定状态下,考虑焓的，任何在恒容条件下,能伴随能量变化的东西，也在恒压条件下伴随焓同样地变化,所以你可以经常。

麻省理工公开课 - 热力学与动力学课程节选

He warned that the West's pressure on Iran and North Korea over their nuclear programs could lead to a full-blown war with both nations.

VOA: standard.2010.07.13

And maybe if it some well-defined temperature and pressure.

这两个态可以具备确定的,温度和压强。

麻省理工公开课 - 热力学与动力学课程节选

Even as the Iranian government is trying to deflect international pressure, it is still dealing with the fall-out of its disputed presidential election in June.

VOA: standard.2009.10.12

Let's take a system. Under constant pressure T1 V1, going to a second -- this is the system, so let me write the system here.

我们建立一个系统1,在恒定的压强T1，V1，下，变成了另一个系统，-这个初始的系统让我把它写在这。

麻省理工公开课 - 热力学与动力学课程节选

The American-backed resolution, passed last week, has raised concerns that India will come under pressure to join the treaty, to which it is not a signatory.

VOA: standard.2009.09.29

Over here, we have dq=Cp dT, the heat, the proportionality between heat - and temperature rise is given by this, the constant pressure heat capacity.

这里我有dq=CpdT，这是热量，这是联系热量,和温度变化的系数，恒压热容。

麻省理工公开课 - 热力学与动力学课程节选

The president's initiative will add further pressure to the already over-extended HIV treatment program.

VOA: standard.2009.12.02

The strength of the European currency has been under pressure since Greece's financial problems were revealed, with concern the problem could spread to other euro-zone countries.

VOA: standard.2010.03.01

President Umaru Yar'Adua has come under pressure to step up his anti-graft drive in one of the world's most tainted countries since he came to power in 2007.

VOA: standard.2009.04.18

"The tires are larger than you would find on a HUMVEE, so the ground pressure, which is really what matters, isn't all that much different from an up-armored HUMVEE,"

VOA: standard.2009.11.02

Pattinson is Edward and the English-born actor says the entire cast felt the pressure of expectations from avid fans of the first film and the Twilight novels by Stephanie Meyers.

VOA: standard.2009.11.23

Working from an e-mail list of millions of voters who supported his presidential campaign, they will focus on putting pressure on Congress to approve his $3.55 trillion budget for 2010.

VOA: standard.2009.03.16

Berman says the legislation would be only one point of pressure on Iran to roll back its uranium-enrichment program, which the United States believes is aimed at producing a nuclear weapon.

VOA: standard.2009.10.28

Because of their unique surface, each medal is struck with 12 dies nine times with 1,900 tons of pressure, the weight of more than The native designs were laser-engraved on each medal.

VOA: standard.2010.02.16

Middle-income whites have the best blood pressure.

VOA: standard.2010.04.08