They help businesses keep track of products.

VOA: special.2010.09.01

So there's all sorts of things that we have to obviously monitor, to keep track of that can influence our industry.

所以我们要观察的,显然有很多，才能跟得上信息技术行业的发展。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

But I really don't keep track of the names. I just like the game.

但我不记得篮球队员的名字，我只喜欢看比赛。

现场观看篮球赛 - SpeakingMax英语口语达人

Rosequist says it is also important to keep track of the survivors and where they go for medical treatment.

VOA: standard.2010.07.26

I've got some internal variables I have to store, what kinds of things do I have to keep track of?

计算的时候需要占用多少内存,我需要存储一些内部变量,我需要记录哪些东西呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

But some employers frown on workers taking time away from their jobs to follow the games and keep track of their brackets.

VOA: standard.2009.03.25

What did you learn about how easy or hard it is to keep track of what food intake is?

你从记录食物摄入过程中,学到了什么,记录饮食是难是易

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Henry says there is not only a need to keep track of the nuclear weapons in the world.

VOA: standard.2010.08.06

So also, along those lines in terms of test taking, make sure you also box your answers and that you keep track of significant figures and that you also remember to include your units.

另外，既然提到了答题要求，我想提醒大家考试的时候务必标出自己的答案,保持有效数字的一致性,并且记得带上单位。

麻省理工公开课 - 化学原理课程节选

It's difficult to keep track of the slick, says co-pilot Brian Boland.

VOA: standard.2010.07.05

So we keep track of the types of questions that come up, unless I said something stupid in class or been confusing, certainly.

所以我们对出现的各种各样的问题保持联系，除非我在课程上说了一些愚蠢的,或令人困惑的话。

哈佛公开课 - 计算机科学课程节选

"We know that this is already happening in remote clinics, for example in Rwanda, where cell phone-based technologies are being used to keep track of dispensation of drugs to patients with HIV,"

VOA: standard.2010.02.24

And it's actually critically important to get used to things because it's a useful adaptive mechanism to keep track on new events and objects.

而习惯化实际上也是至关重要的,因为这是一种非常有用的适应机制,可以让你注意到新鲜事物。

耶鲁公开课 - 心理学导论课程节选

"We really tried to keep narrative flows going so it didn't get too convoluted, because I lose track of that stuff."

VOA: standard.2010.05.19

So the sign of the number is adequate to keep track of my motion.

所以数字的符号对于记录运动足够了

耶鲁公开课 - 基础物理课程节选

That would be a very straightforward functional way to do it, but you could imagine that that's very labor intensive because you've got to separate each individual cell, and you've got to nurture it and then keep track and study what it becomes.

这是一种非常直截了当的有效方法,但你能想象这得耗费海量的人力,因为你得分离每一个细胞,并进行培养,然后还得追踪和研究它们的变化

耶鲁公开课 - 生物医学工程探索课程节选

He just sort of plunges you into their speech, into their lives, and you have to, in a sense, work to get into their character to be able to keep track of who is speaking.

他就是将你拉入他们的语言他们的生活，某种意义上来说你不得不，努力去进入他们的角色,以便了解是谁在说话。

耶鲁公开课 - 现代诗歌课程节选

Ultimately, analysts are supposed to keep track of this.

分析员应该对这些东西了如指掌

耶鲁公开课 - 金融市场课程节选

My unwillingness to discuss them isn't a matter of my judgment that they're unimportant, just trying to keep at least roughly on track.

我不想讨论这些问题不是因为,我觉得它们不重要的，而是想尽量不要跑题。

耶鲁公开课 - 死亡课程节选

So let's listen to a track here, a sax solo and I am going to try to keep-- make some sense out of this-- because it gets more and more complex-- by following the electric bass underneath so let's listen to an old tape.

那么我们听一下这段音轨,一段萨克斯独奏,我会尽量从中,理出一些头绪,因为我们的音乐片段会越来越复杂,大家可以跟着底下电贝斯的节奏,好的,我们来一下老磁带

耶鲁公开课 - 聆听音乐课程节选

Why don't I just keep track on each pass through the algorithm whether I have done any swaps?

我为什么不仅仅跟踪算法的,每一遍来看看我做了哪些交换呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

They mean very different things, as we have seen. Keep track of that.

正如我们所看到的，它们表示的不是一个东西，注意这一点。

麻省理工公开课 - 计算机科学及编程导论课程节选

Keep track of the mistakes you make.

收集自己犯过的错误。

麻省理工公开课 - 计算机科学及编程导论课程节选

But sometimes I might not write the units but I've earned the right to do that and you guys haven't so you'll have to keep track of your units.

有时候我可能会省略单位,我可以这么做,但你们不行,你们要认真地把单位写清楚

耶鲁公开课 - 基础物理课程节选

So who the sender is, so maybe you could keep track of just who your most frequent correspondents are and if you keep seeing the same personfrom person X or person Y coming into your inbox and clearlyI like having a dialog with these people or have to for work, that might in fact bubble up in your inbox.

谁是发送者，你可能会保留最近跟你联系最频繁的人,如果你发现某某人频繁发送邮件给你,这说明你喜欢和这些人保持联系,可能因工作的原因必须保持联系,那么该邮件就有可能，上升到你邮件的最上方。

哈佛公开课 - 计算机科学课程节选

It's just hard to keep track of them at first but they all generally mean the same thing, provide additional input to this program called GCC by just specifying it on the command line.

刚开始是很难理解这些词的,但其实都是一个意思，所以，只要在命令行上为这个程序,再添加一个名曰GCC的输入就OK啦。

哈佛公开课 - 计算机科学课程节选

This is one example that, without fail, people would say is a marvel of medicine and bioengineering, but that it's still something to keep track of.

刚才就是一个例子,在技术上我们并没有失败,人们也会称赞医学和生物工程的神奇,但仍然需要注意可能发生的情况

耶鲁公开课 - 生物医学工程探索课程节选

How would I keep track of that?

我要怎样来跟踪这些呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, you can use what's called an array which is kind of a list or a little satchel of that you might physically carry that you can put things in again and again, and with an array can you actually keep track of not just numbers but any kinds of things, other sprites or other pictures, or perhaps a little something like this.

你可以使用数组,它其实是个列表,或者说是个小包,你可以把东西一个个放到里面，通过数组你可以保存任何种类的变量,图片或者像，这个例子中的一些小变量，而不仅仅是数字。

哈佛公开课 - 计算机科学课程节选

Remember, you've got to keep track of the sign of acceleration, so if you're picking up speed towards the ground, a is negative, so it will be g plus a, but a is a negative number.

记住,一定要注意加速度的符号,所以当你加速下降的时候,a 是负的,还是 g 加上 a,但是 a 是负数

耶鲁公开课 - 基础物理课程节选