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So when I expand this gas adiabatically and it cools down, why do you think it might cool down?
现在我们知道了气体绝热膨胀时,温度会下载，为什么会降温？
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But they know that we need the transportation and that we will pay for it, so there you go.
但他们知道，我们需要交通工具，我们会为之付钱的，所以你就知道了。
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We saw that the Bohr model was able to correlate the observations of Angstrom, which had been formulated by Balmer.
知道了波尔模型,可以和阿姆斯特朗的观察相吻合，这观察后来被巴尔末推导出来相证实。
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The last time you saw that for an ideal gas, the energy only cared about the temperature.
上次你们知道了，理想气体的能量只与温度有关。
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Just remembering that violet is the end that actually has the shortest wavelength, which means that it also has, of course the highest frequency.
就知道了，所以这应该,不是问题，记住紫色光，最后一个，它的波长最短,也就意味着它的频率最高。
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But you know, sometimes what seems to be the virtuous may not necessarily be, so that would be an example.
但是现在你们知道了,有时候看起来低脂的食物并不一定低脂,这是个很好的例子
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which is significant is that lot got reading about those websites but almost no one saw them, because they were removed from public view within a few minutes after the shooting took place in the high school.
重要的是,很多人都知道了他们的网站,但没有几个人真正上过这个网站，因为这一事实被掩盖于公众眼前,不过几分钟的时间在枪击案,发生在高中里。
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And so I repeat, and so I repeat and one of the visuals meant to be conveyed by this-- this scale here is now I know that this guy is the smallest.
一次又一次地重复这样的比较,这个天平在此传达的信息是,我知道了这个杯子是最轻的。
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So we know how prices are set, they're set by the firms, so the next question is where do the quantities come from?
现在我们知道了价格是怎么决定的,它们是由公司决定的,下一个问题是产量怎样得到
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It's kind of gruesome but we know there are some things you don't need your brain for.
听上去有些可怕,但却使我们知道了,有些活动是无需大脑参与的
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Once you know those, you can find the position of the object at all future times.
只要知道了这些,你就能知道物体在任意时刻的位置
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But of course, a lot was known about these Mycenaeans well before the syllabary was deciphered.
当然,大量关于迈锡尼的知识,在那些表音文字被破译前就知道了
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On the one hand, it could be that certain facts, if you knew them, would cause you to behave differently without actually giving you any reason to behave differently.
一方面，可能有某些事实，如果你知道了它们，会导致你的行为不同,但并没有真正地给你改变行为的理由。
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What if you knew what the sequence of a gene was?
假如人们知道了一段基因的序列
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A lot of other people got it a little earlier.
很多人很早就知道了。
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Knowing that, I'm going to say, OK, how many pigs are there, well that's just how we're, however many I had total, minus that amount, and then I can see, how many legs does that give, and then I can check, that the number of legs that I would get for that solution, is it even equal to the number of legs I started with, ah! Interesting. A return.
它将给我返回头的总数，知道了这些之后我可以说好了,有多少猪呢，无论有多少组鸡的数目，我只要用总数减去那个值,之后我就可以知道一共有多少条腿,然后再把这个值和题目中的腿数相比较，看它是否等于一开始的腿数,啊！真有趣，有一个返回值。
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Its composition is influenced and determined by literary conventions and goals. Now, of course we all know that there is no such thing as purely objective history anyway. We have no direct access to past events.
它的形成是受文学的惯例和目的影响和决定的,当然现在我们都知道了没有什么是纯客观的历史,我们没有直接通向过去事件的途径。
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We have the blind preacher.
我们知道了那个盲传教士。
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And then, just so that you will be literate in the rest of the Periodic Table, if you look at the higher ones, this is how you name them.
然后，你对周期表的,其他方面也都知道了，如果你观察高一点的元素，这是你们叫它们的方式。
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You can go ahead and use that equation, or you could figure it out every time, because if you know the total number of nodes, and you know the angular node number, then you know how many nodes you're going to have left.
你们可以直接用这个方程，或者每次都自己算出来，因为如果你们知道了总的节点数，又知道角向节点数，就知道剩下的节点数是多少。
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So if we draw the 2 p orbital, what we just figured out was there should be zero radial nodes, so that's what we see here.
如果我们画一个２ｐ轨道，我们刚才知道了是没有径向节点的，我们在这可以看到。
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It's possible that the causes of death are the same; it's possible they've changed, but we'll see.
可能死亡原因还是一样的,也可能已经不同,我们一会儿就知道了
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So basically, at the time he was just going on size and then traits, but what we actually know today is that we can also order things in the periodic table by electron configuration.
基本上，在当时他只能通过大小,和特性来进行，但是现在我们已经知道了,我们还可以通过电子排布来对它们进行排序。
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However, once we know what your payoffs are, once we know what your goals are, perhaps Game Theory can you help you get there.
然而一旦你知道了个人的收益,一旦你确立了目标,博弈论能帮助你达成目标
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I think everyone over here seems to know and -- yeah?
我认为这里所有人都好像知道了--是吗？
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In 13th century India, they knew how to isolate metallic zinc.
在13世纪的印度，我们知道了如何提取金属锌。
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Now, you know the battle is over in a variety of ways.
现在,你知道了多种会造成战争结束的方式
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How it got into my pajamas I'll never know."
至于它怎么进来的,我就不知道了"
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I know something about the profits of the firm.
还知道了企业利润的计算方法
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You've learnt what the words mean, but you have abstract and unconscious rules that take these words, figure out the order, and in a fraction of a second, give rise to understanding.
虽然你已经知道了这些单词的意思,但却是你所拥有的抽象且无意识的规则,让你认清单词,确认语序,然后在一瞬间让你理解整个句子
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