These included questions from Rwandan students about subjects like drug use, H.I.V./AIDS and girls in school who get pregnant.
VOA: special.2009.11.12
So if I take p times V to the gamma, anywhere on the path, it's going to be equal to the same relation This is going to be true for any point on the path.
结果都,将等于,初态点的,只要在这条路径上。
It's going to be the same temperature V+dV as before but the volume is V plus dV now.
将升温到跟路径1的结果一样,但是现在的体积是。
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
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
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
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
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
5 So similarly would there be the number 65 next to this then the corresponding number for V-I-D and then there's generally a special character at the end that looks like a zero that says end of string here.
同样,A就是,接着再填上V-I-D对应的ASCII码,在最后还有添上一个特殊的字符,有点像0,代表这是该字符串结束。
Yellow or brown areas shaped like the letter V on leaves may be a sign of black rot infection.
VOA: special.2009.03.03
If you think of two towns down here, Brive,b-r-i-v-e,famous for its rugby, and Tulle,t-u-l-l-e,which is a capital.
如果你可以想起来这儿的两个城镇,布瑞福,b-r-i-v-e,以英式橄榄球运动而负有盛名,图勒,t-u-l-l-e,是一个省的首府
In Kenya,a project aims to educate girls about H.I.V.prevention while helping them stay in school during their monthly periods.
VOA: special.2009.03.16
v The weight, w, and v, these are the two vectors we've seen here.
重量是w和价值,这是我们看过的向量的两个值。
If they had, they would have been tested to see if they needed treatment to prevent an infection like H.I.V.or hepatitis.
VOA: special.2010.02.10
Does anyone have a guess for v?
有人猜到,V,是什么了吗?
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
Delta v is positive in this direction here, the work is negative. So work on the system is positive. Work done by the system is negative.
功是负的,总而言之,外界对系统做功的符号为正。
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 if delta v is negative, in this case delta v is negative, OK, delta v is negative, pressure is a positive number, negative times negative is positive, work is greater than zero.
也就是当活塞,压缩气体的时候,做的功是正的,按照这一规定,我们需要在这里,加上一个负号,这是习惯规定。
The drug is nevirapine. If it is given within seventy-two hours after birth, it can often protect babies from H.I.V.
VOA: special.2010.05.24
V+dV And this is going to be here V plus dV.
这里是。
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
V Plus V.
再加上。
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
And then V minus the excluded volume term is equal to RT. Two parameters, this is the attraction between two atoms or molecules in the gas phase.
以及V减去一个排斥项,等于RT,两个参数,这是气体状态下两个原子,或者分子之间的吸引力。
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
If you took the derivative of this, you will get the velocity at time t, it would be: v=v0+at.
如果你对它求导,你就可以知道 t 时刻的速度,即,v=v0+at
Also in the top ten causes were infections, including tuberculosis and H.I.V./AIDS, as well as drowning and fire-related deaths.
VOA: special.2009.09.28
v We don't know what it is yet. In order to change this from a p to a V, you have to use the chain rule. So let's use the chain rule.
为了把这里的p变成,我们需要利用链式法则,好,让我们使用链式法则。
D-A-V-I-D So when you get a string like D-A-V-I-D, what's really happening is inside your computer's RAM is going a byte where there's some zeros and ones.
譬如你有这么一个字符串,而在你电脑的RAM里将会变成,一个个由0和1组成的字节。
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