The experts say estimates of new H.I.V.infections are down by about fifteen percent in Africa, south of the Sahara Desert.

VOA: special.2009.12.08

So instead of v bar, we write p v bar minus b, equal r t.

现在考虑，这些气体分子之间。

麻省理工公开课 - 热力学与动力学课程节选

Now you have to know from elementary calculus that v times dv/dt is really d by dt of v square over 2.

根据初等微积分知识你们得知道,v乘以dv/dt其实就是d/2)/dt

耶鲁公开课 - 基础物理课程节选

Before the disaster, it suffered from high death rates among babies and high rates of H.I.V./AIDS,hepatitis and other communicable diseases.

VOA: special.2010.02.01

And our job is to find out what is the mathematical description of this path, this line in p-V's case that connects these two point.

我们的任务,就是找出，描述这条曲线的方程。

麻省理工公开课 - 热力学与动力学课程节选

The World Health Organization says Africa is behind other parts of the world in treating H.I.V./AIDS, tuberculosis and malaria.

VOA: special.2009.06.17

In the case of France again, they are the work of a brilliant military engineer called Vauban, v-a-u-b-a-n.

例如法国,在佩皮尼昂 里尔 蒙梅迪等地方,这样的要塞城镇随处可见

耶鲁公开课 - 欧洲文明课程节选

Fran?oise Barre-Sinoussi was honored with another scientist for research leading to the discovery of H.I.V., the virus that causes AIDS.

VOA: special.2009.05.13

And,so,Henri V could capitalize on that because there were lots of people that would be very happy to see him come back because of their belief.

所以它会被亨利五世利用,因为有很多人,看到他为他们的信仰回归而感到高兴

耶鲁公开课 - 1871年后的法国课程节选

The idea is that mothers would pour the liquid into the baby's mouth as part of an H.I.V.treatment program.

VOA: special.2010.05.24

How many of you have seen Henry V in the Laurence Olivier version 1945?

有多少人看过一九四五年版,劳伦斯·奥立佛执导的《亨利五世》

耶鲁公开课 - 古希腊历史简介课程节选

Yellow or brown areas shaped like the letter V on leaves may be a sign of black rot infection.

VOA: special.2009.03.03

ArgV You can think of this variable Arg V as literally an array a sequence of chunks of memory that literally are back to back to back in memory, and when you say bracket zero, by convention, you are referring to the variables stored here.

你可以想象这个变量,按顺序排列的一块块内存,依次地在内存中紧邻着的，当你指明，按照惯例，涉及,存储的变量在这里。

哈佛公开课 - 计算机科学课程节选

Researchers say they have found a way to extend the storage life of a drug used to treat H.I.V.

VOA: special.2010.05.24

Okay. So that's the "Duke of Earl" progression: the basic I,VI,IV,V,I.

好，这就是Duke，of，Earl这首歌的和弦进行，I，VI，IV，V，I级。

耶鲁公开课 - 聆听音乐课程节选

But in the last twenty years, H.I.V.and the collapse of the Soviet Union helped raise death rates in thirty-seven countries worldwide.

VOA: special.2010.05.05

And if we talk about electrons or photoelectrons, again we can describe it in terms of energy, we can talk about velocity, and from there, of course, you can figure out the energy from 1/2 m v squared, and actually we can also describe the electron in terms of wavelength.

如果我们谈论电子或者光电子，我们又可以从能量的角度来描述它，我们可讨论速率，从那里，当然，你可以计算1/2，m，v2得出能量值，而且事实上我们也可以,从波长的角度来描述电子。

麻省理工公开课 - 化学原理课程节选

That way,H.I.V.-infected women could have plenty of time to get the pouch from a health care provider early in their pregnancy.

VOA: special.2010.05.24

We'll get an expression in which there is no t; t has been banished in favor of v.

我们现在得到了一个不含t的表达式,t被v替换掉了

耶鲁公开课 - 基础物理课程节选

One was the ability of the vaccine to prevent infections from the human immunodeficiency virus, better known as H.I.V.

VOA: special.2009.10.13

So I can make a quantity that I'll call V bar, which is the molar volume, the volume of one mole of a component in my system, and that becomes an intensive quantity.

所以我可以定义，一个叫做一横的量，这是摩尔体积系统中,一摩尔某种组分的体积，它就变成了。

麻省理工公开课 - 热力学与动力学课程节选

"For example in Rwanda, where cell phone-based technologies are being used to keep track of dispensation of drugs to patients with H.I.V.

VOA: special.2010.05.03

This is his picture of Charles V at a battle in Germany in 1648.

这是一张查理五世,在1648年德国战争中的画

耶鲁公开课 - 欧洲文明课程节选

The event has not taken place here since nineteen ninety because of restrictions against visitors with H.I.V.

VOA: special.2009.12.02

Get out of your mind Henry V, forget the Battle of Agincourt.

忘掉亨利五世,1415年英王亨利五世于法国北部阿金库尔村以弓箭手重创兵力数倍于己的法军

耶鲁公开课 - 古希腊历史简介课程节选

It says one dose of the medicine given to mother and child prevents the spread of H.I.V.

VOA: special.2010.05.24

And if I draw a diagram on a T-V diagram of T-V V1 I'm starting with some V1 here.

画出过程的,图，what，I’m，doing，here，初态是。

麻省理工公开课 - 热力学与动力学课程节选

South Africa has more than five million people infected with H.I.V., the largest number of any country.

VOA: special.2009.07.29

When a particle moves in a circle, it has an acceleration towards the center of this size, v^2 over R.

当一个质点在圆周上运动时,它有一个指向圆心的加速度,v^2 / R

耶鲁公开课 - 基础物理课程节选

As p goes to zero of p times v bar.

适用于任何气体。

麻省理工公开课 - 热力学与动力学课程节选