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They say it takes some training. And there can be risks, like running when your feet are too cold to feel if you get injured.
VOA: special.2010.02.03
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And what he said was that when you get down to atomic length scales there are limits, there are constraints on our ability to observe.
讲的就是,当你去进入到原子长度的尺度中,我们的观察能力,有一定的限制条件。
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You spend time looking for the article and when you find it, there are two different colors.
你花时间找你想要的东西，而当你找到了，有两种不同的颜色。
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When I count, there are only you and I together But when I look ahead up the white road There is always another walking beside you.
VOA: special.2010.02.24
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When you're depressed, there are these, well, we could call them experiences, though the word "experience" is also somewhat ambiguous.
当你沮丧时,会有那些我们可以称之为体验的感觉,虽然"体验"一词也比较含糊
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"There are so many unintended circumstances when you try and 'gerrymander' the economic system to try and meet your political objectives.
VOA: standard.2010.01.12
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The way he described is when you try to get down a quantum dimensions and you are standing there with your camera, just remember the sun is at your back and your shadow is always in the picture.
这种方法被他描述为,当你试着处理一个量子尺寸时,并且你试着拿着你的相机在那，记住太阳在你的背后,而你的影子总是在照片上。
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"There are some things that when you operate in the 'cloak-and-dagger' world of the intelligence community, that need to remain within the intelligence community,"
VOA: standard.2009.04.20
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You can--when you set up a corporation there are different kinds of relationships that people might have with a corporation.
当你建立一家公司时,人与公司之间,就会有千丝万缕的关系
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"This is not a partisan issue. It is a national issue that demands at least the involvement of Republicans and when you see a divided Congress, there are people that wonder and worry,"
VOA: standard.2009.03.10
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And what that means it's there's all sorts of precautions and procedures you take that are special when you deal with these.
这意味着当你与它们打交道的时候,你需要做各种各样特别的防范措施与流程。
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"When you have a situation like this occur, you are bound to have a situation down the line where there could be a shortage in food, which can also trigger other negative situations, such as malnutrition, for example, or insufficient food for cattle, which is also another important economic sector in West Africa,".
VOA: standard.2009.09.08
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Okay, so when you are working with source material that looks like this, there is in fact no such thing as infinite zoom in computer science.
当我们处理,这样的原数据时，事实上计算机科学中,并不存在无限放大。
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They don't care that there are other atoms and molecules around. So that's basically what you do when you take p goes to zero.
这正是当压强无限小时,气体的行为,气体的体积无限大。
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But it's very interesting that when you get to historical Greece, as we shall see, there are no wanaktes but there are, at least according to tradition, basileis.
但相当有趣的是,在希腊历史中我们看不到王这一称谓,但至少是根据传说是有君主这一称谓出现的
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And it turns out the second solution, with negative energy, was when the theory is telling you, hey, there are particles and there are anti-particles, and the negative energy when properly interpreted will describe anti-particles.
结果,后来证明,第二个根,也就是能量为负的那个根,正是理论的关键,世界上既有粒子,也有反粒子,负能量就是用来解释反粒子的
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But they are still nice, you know. When I have been walking over there,
但他们人也很好。当我在那儿闲逛的时候，
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and when you are there, it's customary to have strawberries and cream
当你在那里的时候，通常都会吃草莓和鲜奶油，
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So you have like, you are focused when you're there.
所以你在那儿的时候才会专注。
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In these movies, there'd be a little angel above your head that tells you when things are wrong.
就像是电影里那些盘旋在头上的小天使,告诉你什么是不应该做的。
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There are some simple things that you should always look at when you're looking for bugs.
当你在找错误的时候,需要注意几件简单的事。
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How many" is so useful for when you're asking a question about how many numbers there are.
当你想知道具体数量的时候，“How many”非常有用。
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but you gotta be willing and able to be decisive, you know, when you are not, the patients not gonna make it if you just stand there.
但你必须主动,而果断，要不然仅仅，袖手旁观,病人是无法痊愈的。
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Well we've talked about some of these already, but there are a ton of ways that inaccuracy can get introduced when you start assessing what people are eating.
我们已经讨论过一些了,但当你开始估算人们的饮食时,有很多方面,会造成误差
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There are only bodies, though when you've got a functioning body like ours, so the physicalist says, these bodies can do some pretty amazing things.
人只是肉体,正如你我都有正常的身体功能,所以物理主义认为,这些肉体能做出一些相当厉害的事情
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Later on when times are more secure, there's trade for grain as well for everything else, but when you're settling a place in the first place, you can't rely on somebody bringing it to you.
在之后相对安定的年代,有了粮食及其他各种物品交易,但当你刚开始在某地定居时,并不能指望有人为你供给必需品
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The bits are still there, much like bits are still left when you erase a file on your hard disk but they're forgotten about.
二进制数还在那里，就像你在硬盘上删除一个文件,二进制还在那里,但是它们被遗忘了。
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In the early days when there are four or five formulas, you could memorize all of them and you can try each one of them until something works, but after a couple of weeks you will have a hundred formulas and you cannot memorize all of them.
刚开始我们只会涉及到四,五个公式,你可以全部记下来,你可以一个一个试,直到解出答案,但过了几个星期,你就已经学了一百多个公式了,你没法全部记下来
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So, these are two different definitions of how to think about atomic radius, but really what you find when these are measured is they come up with almost the identical values, so there are tables, you can look up of atomic radii and see these values, and you can trust them that, they work for both this definition and for this definition here, in most cases.
这就是,关于原子半径的两种不同的定义，但实际上你会发现按照这两种方法,测量出的值是相等的，因此有很多关于原子半径的表格，你可以通过查阅它找到这些值，你可以相信这些值，它们对于这两种定义都是适用的，在大多数情况下。
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People make really stupid decisions and so as you know in this course with P sets there are three axes that we look at when evaluating your code.
人们做了一个愚蠢的决定,在这个课程上，通过习题集，当执行你的代码的时候,有三个评估方面。
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