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Well, one of the lessons of this course is we have a wonderful theory, but we don't manage it well, mostly.
我们在这门课里可以学到的一点是,我们拥有很好的理论，但在实践中却总是不能应用得当。
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So it's kind of... it's nice that you can choose because I feel like you have a better time in class.
可以自己选课是件很好的事情，因为这样你在课堂上感觉会更好。
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And then we're going to try a demo to see if we can convince ourselves that the kind of calculations we make work out perfectly, and we'll do a test up here about half way through class.
然后我们将会尝试演示去看看,是否可以确信我们能够很好的,做出这个类型的计算，我们将在课程中做一个测试。
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And I think this is best illustrated by giving you a simple little piece of code.
我认为给你看一段简单的代码,可以很好的说明这个问题。
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So it's important to realize the role of ceramics; they need to make storage jars that could be sealed very well and preserve the stuff for a very long time, and indeed, they did that.
从中希腊人意识到陶艺的重要性,他们需要烧制可以密封得很好的,可以用来长久保存食物的陶罐,他们也的确这样做了
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Changing the diet of populations is a pretty good idea and it's the kind of thing that could help individuals certainly lead healthier, happier lives, but also could change things like healthcare costs for a whole country, so these are big, big factors.
改变大众的饮食是个很好的想法,它不仅可以让人们过上更健康幸福的生活,还可以改变整个国家的医保费用,所以饮食是个非常非常重要的因素
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And it gives us an very nice analogy of somebody whose, you know, a coat which could outlast the owner, but it isn't immortal.
他给了我们一个很好的类比,某人的大衣可以,比它的主人存在更久，但它并不是不朽的。
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Railroads is a good example--and sometimes I'll throw out examples, you're not responsible for them, it's just kind of hopefully interesting for you to think about.
铁路就是很好的例子,有时我会举一些例子,你们可以不去记他们,我这么做是希望你们可以去思考
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It's really great that we can do this anytime, too.
我们随时都可以实行这一点也是很好的。
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in the case of English, you're lucky because there is a lot of recorded English out there to listen to.
比方说英语，你很幸运，因为有很多录制好的英语磁带可以听。
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Because DVD has the best image, clarifing and also has magnificent bonus material just incredible when you get on that DVD in.
因为DVD有图像最好，最清晰,也可以提供很好的补充材料,当你看DVD的时候就觉得很棒。
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where you can see it happening. But otherwise I just thought it was really a good movie.
你可以看着它发生。但是此外我就觉得这真是个很好的电影。
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I think of Square as a platform that's going to build an ecosystem around it.
我觉得Square是一个很好的平台,可以围绕它打造一个很好的生态系统。
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Again, boron is a good example. Look, 0.8, 1.36. This is 2p. This is 2s.
硼又可以是一个很好的例子，看，0。,1。36，这是2p层，这是2s层。
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So, that can be a little bit confusing for us to think about, and when it's a very good question you might, in fact, say well, maybe there's not zero probability here, maybe it's just this teeny, teeny, tiny number, and in fact, sometimes an electron can get through, it's just very low probability so that's why we never really see it.
这想起来有点令人困惑，你们可能会说也许，这里的概率并不是严格的为零，而是非常非常小，所以有时电子就可以穿过去，这是个,很好的想法。
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A good example to keep in mind is the idea of a mule.
大家可以记住一个很好的例子，那就是骡子。
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And so I can--a great deal after all, 20 years-- I can give you a pretty good idea of what it's like to live in France, even if I didn't move there for the rest of my life without ever coming back."
所以我可以,毕竟二十年还是有很多,关于住在法国是什么样的感觉,我可以给你很好的描述,就算在我的有生之年我再也不会,搬回法国
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It resembles Ruth well enough to remind me of her, and interestingly, it can do that even if it's not a very good photograph.
它和露丝相似到,足以让我想起她,有趣的是,一张不是很好的照片也可以做到
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Here's a nice device, food blocker, if you need a little help.
这是一个很好的设备,食物阻挡器,它可以帮助你减肥
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or something; but, nobody ever does that, they all watch it in the privacy of their rooms or you can go watch it--we'll figure it out; but, it's a really wonderful movie.
不过其实没人来,他们都喜欢自己在屋里看,或者你也可以去...,这个再说,不过真的是很好的电影
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So, it's very well designed such that they've minimized any of these destructive interference dead sounds. So, it's nice, on a student budget you can go and get the worst seat in the house and you can hear just as well as they can hear up front, even if you can't actually see what's going on.
世界上最好的两三个音乐厅之一,它的设计十分精巧，把任何相干相消,都见到了最低，所以这点对于你们,用学生预算买到一个最差的位置的人,来说是很好的，你们可以听得,像前排一样清楚，虽然你们,可能看不见台上发生了什么。
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