Doctors who suspect a patient has MS must carry out a number of tests and study the patient's history of health problems.

VOA: special.2009.01.06

And this spin magnetic quantum number we abbreviate as m sub s, so that's to differentiate from m sub l.

这个自旋磁量子数我们把它简写成ｍ下标ｓ,以和ｍ小标ｌ有所区分。

麻省理工公开课 - 化学原理课程节选

And then there's also quite a number of people who want to work in the federal government,

还有不少想到联邦政府工作，

肯尼迪学校 - SpeakingMax英语口语达人

That's why creating jobs has to be our number one priority in two thousand and ten."

VOA: special.2010.01.30

It's just the number that was picked between 1 and 10 that's probably bigger than 5 or 6, not smaller.

它产生一个在1到10之间的数0,或者大于等于5或者6的数。

哈佛公开课 - 计算机科学课程节选

Internet resources included online book orders and the number of visits to a city's online newspaper.

VOA: special.2009.03.27

Here's the problem with that technique, and by the way, a number of programming languages use this, including Lisp.

这会指向元素的值，然后对内存进行切分,关于这种技术有个问题，顺路说下。

麻省理工公开课 - 计算机科学及编程导论课程节选

But a number of Przewalski's horses now live in captivity in zoos and research centers.

VOA: special.2010.06.22

And that keeps people trapped in abusive relationships but-- And that's number one, ? but what else might be going on?

这些考虑使得人们被困在家庭暴力中-,这是第一个原因，还有什么原因呢？

耶鲁公开课 - 心理学导论课程节选

It says the method could reduce the number and severity of a patient's headaches.

VOA: special.2010.03.30

Give me a whole number for the Fed fund's rate ? and the nearest thousand for the Dow Jones. Ken?

美联储基金利率说整数,道琼斯指数精确到千位，肯？

斯坦福公开课 - 经济学课程节选

He considered a city's newspaper sales, the number of bookstores and library resources.

VOA: special.2009.03.27

And I think this can be said: this is true of a number of Milton's earliest lyrics.

我认为可以这样说：,这对于弥尔顿早期的大部分诗词都适用。

耶鲁公开课 - 弥尔顿课程节选

Security experts say armed Maoists, also known as Naxalites, number about 20,000 and control about one-fifth of India's forests.

VOA: standard.2009.06.21

If there's something worse about story number two, and I think it's pretty clear there is something worse, it's not the separation.

第二个故事又有什么更坏的地方呢，显而易见是有更坏的地方，不是分离本身。

耶鲁公开课 - 死亡课程节选

She says the danger is real. "It's the number one threat to American security today - to American and global security,frankly.

VOA: standard.2010.04.06

So, we need to actually add on this fourth quantum number, 1/2 and it's either going to be plus 1/2 or negative 1/2.

所以我们需要加上这第四个量子数，它等于1/2或者负的。

麻省理工公开课 - 化学原理课程节选

And it's there that an increasing number of soldiers are being killed on an almost daily basis, many by roadside bombs.

VOA: standard.2009.09.04

So, we should use that, but people in finance resist using that because it's a lower number and when you're advertising your return you want to make it look as big as possible.

所以我们应该用这个指标,但金融界反感使用几何平均,因为它比其他平均数都来得小,他们为自己的收益率做广告时,当然希望数字越大越好

耶鲁公开课 - 金融市场课程节选

That's the number 12 followed by 12 zeroes,or roughly $40,000 for every man,woman and child living in the United States.

VOA: standard.2010.01.15

So the strategy choices, we're not going to do it in hours, let's just normalize and regard these choices as living in 0 to 4, and you can choose any number of hours between 0 and 4.

我们用小时数来表示策略吧,用0到4的数字来标记这些策略,你可以从0到4中任选工作的小时数

耶鲁公开课 - 博弈论课程节选

Toyota's problems come amid a growing number of complaints, accidents,recalls and financial problems for several leading Japanese companies.

VOA: standard.2010.02.15

And that's what led us to a number of results to determine what quantities we even need to be looking at.

这就要求我们考察一系列结果,然后决定到底需要计算什么物理量,来找出。

麻省理工公开课 - 热力学与动力学课程节选

"It's a curriculum that helped Singapore math students skyrocket to number one by the 1990s and that's where they've stayed ever since."

VOA: standard.2010.08.10

I have shown that by taking Avogadro's number of individual ion pairs and putting them all together in a line, the system's energy became more negative.

我推导出了,从每一个离子对中抽出阿伏加德罗常数,再把它们放在一起在一列中，这个系统的能量就变得更负。

麻省理工公开课 - 固态化学导论课程节选

And in July,a number of Central European politicians including Poland's Lech Walesa wrote an open letter to Mr.Obama accusing him of neglecting the region.

VOA: standard.2009.10.22

The difference the real difference is in what genes its expressing of the total number of genes in the human genome and therefore if it's expressing these unique this unique set of genes.

真正的不同之处是,在这些细胞中,表达的是人类全部基因中的不同基因,因此如果细胞表达的是,这组独特的基因

耶鲁公开课 - 生物医学工程探索课程节选

She says the Obama administration is boosting the number of environment, science,and technology officers at U.S.embassies.

VOA: standard.2009.11.03

Now if any of you are interested in exploring this issue of food and history there's an awful lot written about it a number of books that have been written about it that are quite good.

现在,如果谁,对探究食物与人类历史的关系有兴趣的话,有很多关于这方面的著作,很多这方面的好书

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But really, the computer's just so fast I'm drawing the same string with just a slightly different number again and again after going to sleep one second at a time.

但是真实地，这个计算机到现在为止,我一次又一次用稍微不同的数字,绘画了相同的字符串,在睡眠1秒钟之后。

哈佛公开课 - 计算机科学课程节选