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And this is the reason why enthalpy was invented and why it's so important. Because we want to know this. So this for a finite change.
这也就是为什么焓要被提出,而且如此重要的原因,因为我们想要知道这些。
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and you know, we're all trying to make the... trying to interact with the audience in a positive way,
而且你知道，我们都试着以一种积极的方式与观众互动，
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We know that two vehicles are going to come along and not help Tony and that the third vehicle will, because everything, as I say, happens in threes in folklore.
我们知道有两辆车会过来,而且它不会帮助托尼，那么第三辆就一定会，因为，我说过，在民间传说中什么都只发生三次。
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So, we're talking about wave functions and we know that means orbitals, but this is -- probably the better way to think about is the physical interpretation of the wave function.
我们讨论波函数而且,我们知道它代表着轨道，但-也许更好的思考方法是,考虑波函数的物理意义。
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If you say--you've got two measures here and you're writing particular symbols, we'll know that you heard this with the slower possibility.
如果你说,你听到了两个小节,而且你写下了一些符号,我们会知道你可能选择了较慢的节奏
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It's a single gene defect and we know exactly where the genetic defect is in sickle cell.
是一种单基因缺陷,而且我们准确地知道,镰状红细胞贫血的基因缺陷在哪里
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So that's what this will guide us through, and of course that's incredibly, incredibly important.
这就是知道我们的东西，而且它非常非常重要。
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Right now we have actions, strategies for people to take, and we know what the outcomes are, but we're missing something that will make this a game.
目前我们涉及行为,策略,局中人,而且我们知道不同的结果,但是我们忽略了一个博弈必备的因素
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to the process whereby the heavenly angels not only eat food but they also digest it; and Milton lets us know, whether we want to know or not, how those angels actually excrete the food they have taken in.
去描述天堂的天使不只吃食物而且要消化它的过程,弥尔顿让我们知道，不管我们想不想，这些天使怎样排泄出他们吃的食物。
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Now, again, we go through these faster then you can write, and as you all know, the lecture notes are posted on the website, so if you need to go back and refresh your memory on these things you can.
现在我们再快速的过一遍以便大家记录,而且你们都知道,课堂笔记都挂在网上,所以如果你们需要温习,加强记忆,你们可以看看笔记
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I became so obsessed with it that we drove up there so I could visit every school at which she had taught, and we actually found somebody who-- we knew he wouldn't like her because he was sweeping out the church, he worked for one of the churches, and she was very anti-clerical.
我实在太着迷于是就开车去了那,这样我就能去看她教过的每所学校,而且我们真发现一个人,我们知道他肯定不喜欢她,因为他当时正在打扫教堂,他在教堂工作,而她是反教会的
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And we know that chlorine is very aggressive when it comes to electrons.
而且我们知道遇到电子时,氯是非常活泼的。
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And also we, I mean, it's Beverly Hills, you know, so it's a nice neck of the woods.
而且我们，这里是比佛利山庄，你知道，所以这一带很好。
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And have no idea who they are.
而且我们并不知道他们是谁。
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And even though he could figure out that this wasn't possible, he still used this as a starting point, and what he did know was that these energy levels that were within hydrogen atom were quantized.
这是不可能的了,但他还是以此为出发点，他知道，氢原子的这些能级,是量子化的,而且他也知道，我们上节课所看到现象。
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And we know what that's equal to, this is something we've been over and over, ionization energy is simply equal to the negative of the binding energy.
而且你知道它等于什么，这是我们说过一遍又一遍的，电离能就等于,负的束缚能。
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So, let's say we're looking at an element and we have an emission spectra, and we know that it has five distinct different kinetic energies in that spectrum.
比如我们正在研究一个元素,而且我们得到了它的光谱，知道了在它的光谱里,有五个分立的动能。
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So, saying wave functions within molecules might sound a little confusing, but remember we spent a lot of time talking about wave functions within atoms, and we know how to describe that, we know that a wave function just means an atomic orbital.
说分子内的波函数可能,听着有点容易搞混，但记住我们花了很多时间,讨论了原子中的波函数，而且我们知道如何去描述它，我们知道波函数意味着原子轨道。
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Now from the adult point of view, this is culinary because we know that we're in the world of folklore and that in folklore everything happens three times.
现在从成人角度来看，这是烹饪小说，因为我们知道,自己在一个民间传说的世界,而且在一个民间传说中事不过三。
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As we'll discuss in the class, and most of you probably know this, your body weight is a function of how many calories you take in and how many calories you burn off through metabolic processes but also physical activity.
我们将会讲到,而且你们中的大部分人可能也知道,你的体重随着卡路里的摄取量,和代谢中的消耗量而变化,还跟肢体活动有关
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But for now let's simply say that we have a diffraction which we know occurs only by wave-like behavior and it involves the use of x-rays. Why x-rays?
但现在让我们来简单假设一下,我们知道,只波才发生衍射,而且衍射涉及了X光的使用，为什么是X光？
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We can also take a look the 3 s, which we have looked at before, and we figured out that that should have two radial nodes.
我们也可以考虑下3s轨道，我们之前看过它了，而且知道它有两个径向节点。
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We also know how to figure out the energy of this orbital, and we know how to figure out the energy using this formula here, which was the binding energy, -Rh which is negative r h, we can plug it in because n equals 1, so over 1 squared, and the actual energy is here.
我们知道如何算出,这个轨道的能级，而且我们知道如何,用这个公式,算出能量，也即是结合能，等于，我们把n等于1代进来，所以除以1的平方，这就是能量。
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We have this suspense, as I say, between expectation, the possibility of violation, and simply not knowing.
我们有这么一个悬念，正如我所说的，在期望和期望被违背的可能性之间，而且我们完全不知道。
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