The American Food and Drug Administration says R.F.I.D.tags act like an electronic safety net to make it easier to catch counterfeits.

VOA: special.2010.03.01

And we reasoned that these two eventually reach some kind of an equilibrium separation which we are using lowercase r to represent.

我们推导,这两个最终能达到,某种平衡分离,我们用小写的r代表。

麻省理工公开课 - 固态化学导论课程节选

But the nymphs in all of their sensuous beauty, with "flow'r-inwov'n tresses," they have to experience the same fate.

但是年轻女神很美丽，但头发被扯断了“,她们不得不经历同样的命运。

耶鲁公开课 - 弥尔顿课程节选

The committee report was the first of three planned to deal with the release of the C.R.U.'s private e-mails on the Internet.

VOA: special.2010.04.27

pV=RT dT here because the pressure is constant, dV=RdT/p so dV is equal to R over p dT.

因为对1摩尔气体有，于是。

麻省理工公开课 - 热力学与动力学课程节选

The D.A.R. would not permit Anderson to perform in the concert hall because she was black.

VOA: special.2009.01.25

And when we define that as r being equal to zero, essentially we're multiplying the probability density by zero.

当我们定义ｒ等于０处，事实上是把概率密度乘以０．

麻省理工公开课 - 化学原理课程节选

Fans loved the special way she rolled her "r"s to create a sound like a cat.

VOA: special.2009.06.07

It turns out there's a new function strlen S-T-R-L-E-N that you probably have not used yet called strlen, S-T-R-L-E-N, programmers early on and still like to be succinct but communicates sufficiently what they mean.

结果这里有个新的函数,你可能没有使用过，叫做，早期的和现在的程序员喜欢简洁地,但是能充分的传达他们的意思。

哈佛公开课 - 计算机科学课程节选

When I was a young child in school, I had to learn the three R's.

VOA: special.2009.07.26

And then the repulsive term, some positive coefficient r and r to a very high number.

然后排斥力，一些正系数,以及具有很大数值的。

麻省理工公开课 - 固态化学导论课程节选

The e-mails included personal insults to dissenters of C.R.U.studies.

VOA: special.2010.04.27

R is going to be a fix number R times You don't know what it is right now.

等于一个常数 R 乘以,你现在还不知道它是多少

耶鲁公开课 - 基础物理课程节选

Additional Home Secretary D.R.S.Chaudhary told a news conference Sunday authorities and citizens need to be vigilant, especially in five eastern states.

VOA: standard.2009.06.21

You have to discount something that's one period in the future by dividing it by 1+r.

你必须把未来一段时间内的资金通过,除以1+r来贴现

耶鲁公开课 - 金融市场课程节选

R.J.Bell of Pregame.com says the number of possibilities to guarantee a perfect bracket are an astronomical 9.2 quintillion.

VOA: standard.2009.03.25

P dV is equal to R dT. pV = RT for 1 mole, pdV=RdT so I just take dV here.

对等压过程，那么。

麻省理工公开课 - 热力学与动力学课程节选

The song reached the Top 30 on the R&B chart, and led to a contract with Minit Records in her native New Orleans,Louisiana.

VOA: standard.2009.12.25

It's true for any gas, and if I remove this limit here, r t is equal to p v bar, I'm going to call that an ideal gas.

这样的气体被称作理想气体,这就是理想气体的性质，理想气体的涵义是什么？

麻省理工公开课 - 热力学与动力学课程节选

Irma continued to have success on both the pop and R&B charts in the 1960s,with her biggest hit coming in 1964, Wish Someone Would Care.

VOA: standard.2009.12.25

And we plug in our values and end up with mv squared mv^2/r-Ze^2/ over r minus Ze squared over And I am going to call this equation two.

我们最后的结果,就是,我把这称为方程式二。

麻省理工公开课 - 固态化学导论课程节选

He went on to become a sought-after studio musician, working alongside a steady stream of pop and R&B greats, before landing a solo recording contract in 1992.

VOA: standard.2010.04.12

So if we take this term, which is a volume term, and multiply it by probability over volume, what we're going to end up with is an actual probability of finding our electron at that distance, r, from the nucleus.

如果我们取这项，也就是体积项然后，乘以概率除以体积，我们能得到的就是真正在距离,原子核ｒ处找到电子的概率。

麻省理工公开课 - 化学原理课程节选

dT This is equal to Cp minus R dT.

等于。

麻省理工公开课 - 热力学与动力学课程节选

So, we can do that by using this equation, which is for s orbitals is going to be equal to dr 4 pi r squared times the wave function squared, d r.

用这个方程,对于s轨道，径向概率分布,4πr的平方,乘以波函数的平方,这很容易理解。

麻省理工公开课 - 化学原理课程节选

Y You don't want to rename them L and R or X and Y right because you want to call them left and right.

你不想把它们重命名为L和R，或者X和,因为你想叫它们为left和。

哈佛公开课 - 计算机科学课程节选

Cv+R=Cp Cv is equal, oh Cv plus R is equal to Cp it's a relationship that we had up here that we wanted to prove.

我们就得到了,我们一开始,想要证明的。

麻省理工公开课 - 热力学与动力学课程节选

So instead of being equal to negative z squared, now we're equal to negative z effective squared times r h all over n squared.

这里不再等于-z的平方，现在我们等于-有效的z的平方,乘以RH除以n的平方。

麻省理工公开课 - 化学原理课程节选

We can use the Coulomb force law to explain this where we can describe the force as a function of r.

我们用库伦定律解释它,力作为距离r的函数,让我们考虑一下。

麻省理工公开课 - 化学原理课程节选

And then we can take the derivative with respect to temperature, it's just R over molar volume minus b.

这样我们求,压强对温度的偏导数，结果等于R除以摩尔体积V杠减去b的差。

麻省理工公开课 - 热力学与动力学课程节选