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So, what we say here is we need to take a step back here and come up with an approximation that's going to allow us to think about using the Schrodinger equation when we're not just talking about hydrogen or one electron, but when we have these multi-electron atoms.
所有我们这里要说的是,我们需要退回一步,做一个近似,那样可以使我们用,薛定谔方程来考虑,让我们不是仅仅在讨论氢原子或者,一个电子的时候，而是多个电子的原子。
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" And ask ourselves "What should we say here?"
然后问自己，“我们应该怎么看“
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So, for example, if we were looking at the actual wave function, we would say that these parts here have a positive amplitude, and in here we have a negative amplitude.
我们看，一个波函数,我们说，它这部分幅值，为正,这部分幅值为负，当我们看。
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And realize too, as we say on this home page here, by default, we anonomize you when you log into this bulletin board, whereby, you're all logged in as quote unquote students.
并且认识到，像我们说的这个主页，默认情况下，当你登陆这个电子公告牌，我们禁止你们，都匿名学生登陆。
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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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We're not really going to say much about that here, there's a little bit about in the book.
在这我们不会谈得过多,书上有些相关内容
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We bring you in the--to the lab and we say to this group of people, "Please wait here.
我们把你带入实验室,对这个控制小组的人说，“请在这里稍等。
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Here,the first level: do we focus on weaknesses, which is the disease model,say let's get rid of weaknesses?
第一个层次：,我们是否重视缺点，也就是疾病模型所说的我们要摆脱的缺点？
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Go back over here and we're going to say isPalindrome isPalindrome. How did I actually spell this?
回到这里来,我们将要再说一下？
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We approve a letter--the letter's going to say, we're making money here's your dividend check.
我们批准了,信上说,公司盈利了,这是您的股利支票
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Just say, OK we have eight real intelligent people here.
换言之，怎么样安排这八个聪明人。
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We implicitly demand of expository texts," he goes on to say -and he may be alluding to Gadamer here because after all Gadamer is talking primarily about expository text, works of philosophy, works of social thought, which of course aren't trying to surprise or trick us.
我们暗中希望能得到解释的文本“，他接着说下去,而且他可能在这里提到葛达玛,因为毕竟葛达玛主要研究解释性作品，哲学作品，社会思想作品，这些当然不会试图去令我们惊讶或者是误导我们。
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So, one thing we said last time was when we put up a model and try and draw lessons from it, we should just take a step back and say, what's missing here?
在上一讲,当我们,从一个模型中总结结论的时候,我们应该回过头重新审视一下,看看我们是不是疏漏了什么
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Let's say we start from some V1 and p1 here, so high pressure, small volume and we end up with a high volume low pressure, under constant temperature condition.
例如我们要从压强比较高，体积比较小V1，p1出发,到达低压强，大体积的末态，过程中温度不变。
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Well, we're talking about a pretty high number here, so to make counting easier, we'll just say 10 lone pairs, because 20 lone pair electrons is the same thing as 10 lone pairs.
好吧，我们这里讨论的是一个挺大的数，为了数起来更容易，我们就说有十对孤对电子，因为二十个跟十对是一个意思。
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Let's go the other direction. And yes, I guess I'd better say s not 2, or we're going to get an error here. Again, in twenty-three checks.
这里我得说不能是2，否则要报错了，再一次，调用了23次,在这个例子里，它从尾部开始。
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We'll say good-bye to him here in our course.
本课程中,我们要跟他再见了
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For any one of those, we could again run an argument where we say, "Look, here is something that needs explaining.
对于以上任意一个,我们都能再次提出一个论证,看啊,这里有某个东西需要解释
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So what we can say here is that the 2 p is less than or smaller than the 2 s orbital.
所以我们可以说,2p轨道比2s轨道要小。
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So, we can say that -- if we have neon here and we want to think about what's isoelectronic, -- f minus would be isoelectronic. We also have oxygen -- what would the charge on oxygen be? Um-hmm, right. 2 minus.
那么，我们可以说--如果我们这里有氖原子,而我们想知道与它等电子的是什么，负一价的氟离子就是与它等电子的，我们还有氧-,氧应该是几价的？没错，负二价。
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We could do the history of ideas and say, "Here's Plato's views.
我们可以做思想史研究,然后阐述说,这是柏拉图的观点
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And when we talk about size, I'm again just going to say the stipulation we're not talking about an absolute classical concept here, but in general we're going to picture it being much further away from the nucleus as we move up in terms of n.
当我们说到尺寸时，我们只是说――,经典的绝对的概念，而是它大约,离原子核有多远。
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