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"For a couple hundred years we've had names which have switched gender but they almost always switch from male to female.
VOA: special.2009.07.06
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- So most of you recognize, if we switch back to the notes, that they do have a negative electron affinity.
看来大部人都想到了，如果你翻翻讲义的话，它们的电子亲和能确实是负的。
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We're about to switch assignments,
我们准备调整职位了，
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Can we switch to this row okay?
换成这排可以吗
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So most and you got it, so we can switch to the notes and let's talk about this here.
大部分人都做对了，我们切换到讲义来讲一下。
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Then in week two we'll switch, so that another teaching fellow has a different part of the alphabet, etc., and rotate around.
第二周就交换评定,于是他们就拿到了不同的部分,如此循环下去
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And so we can't turn the switch on in the normal way.
让我们不能像平时一样正常开关。
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So, are we going to switch places now?
那么，我们现在要把位置交换吗？
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We're going to switch the board.
现在我们要换一种风格了。
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So in the summer of 2001, we decided to switch gear from a backend technology provider to a front-end consumer-oriented search service.
于是在2001年夏，公司决定从后台技术提供者,转变为直接面向消费者的搜索服务提供方。
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So what we can do then is for those schizophrenics that on typical neuleptics A we can actually switch them to the A typical neuleptics and run them under the same experiment again and look at what's happening.
我们接下来要做的是,对于那些服用典型药物的精神病患者,我们让他们转用药物,然后再对他们做相同的试验,来看看有什么变化。
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Now we have payoffs that can really switch the question to a normative question: what should you do?
由此我们就把,它转化成了一个名义问题,你应该怎么做
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So we can switch back to our notes here.
从这些。
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All right. So we can switch back actually to our notes here -- oh, do we have--?
好的，所以我们可以转回到讲义,哦，我们，？
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So, let's -- okay, so, why don't you all think about would happen -- we'll start with the thought exercise. You can switch back to my lecture notes then if this isn't going.
好吧，那你们想想会,发生什么，我们来想想,这个问题，如果那个不行的话,你可以转到我的讲义上来了。
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All right. So, we can switch over to the class notes.
好，我们可以转到讲义上来了。
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So if we go ahead and hybridize our p orbitals and our s orbitals, we'll switch from having these original orbitals to having something called hybrid orbitals.
如果我们,杂化p轨道和s轨道，我们会从原来的轨道,变成一个叫杂化轨道的东西。
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We don't usually do our chemistry calculations in miles per hour, so let's switch that to 42 meters per second, so it's -- sorry, it's 94 miles per hour.
在化学计算中我们很少,用英里每小时，所以我们把它换算为42米每秒，对不起，它是94英里每小时。
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We can easily imagine a world in which I don't have the last name Kagan or perhaps to switch it around, Shelly's not my name.
我们可以容易地想象一个世界里,我不姓卡根或者,反过来,我不叫薛立
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All right. So we can switch all the way back to our notes here.
好了，我们可以转回到讲义上来。
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So we're going to finish talking about molecular orbital theory, we'll switch over to discussing bonding in larger molecules, even larger than diatomic, so we'll move on to talking about valence bond theory and hybridization.
我们要结束关于分子轨道理论的讨论，转向讨论大分子的成键，比二原子分子更大的分子，我们会继续讨论价电子成键理论,和杂化。
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All right. So we can switch back to our notes.
好，可以转到讲义上了。
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So, let's have you try one more, if we can switch over and talk about a 3 d orbital.
让我们再来看一个，转到课堂题目上去,我们来看看3d轨道。
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So let's do a sample calculation now using this Rydberg formula, and we'll switch back to emission, and the reason that we'll do that is because it would be nice to actually approve what we just saw here and calculate the frequency of one of our lines in the wavelength of one of the lines we saw.
让我们用Rydberg公式,做一个例题，我们回到发射上,这么做是因为这样,可以用我们看到的波长,来验证我们计算的频率。
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So if we do this and we form the molecule ammonia, let's switch to a clicker question, and have you tell me what the bond angle - is going to be in ammonia -- HNH Actually, let me draw it on the board as you look -- actually, can you put the class notes on, since you don't actually have your notes to refer to.
如果这样做的话，我们就可以形成氨分子，让我们来做一个课堂练习,你们告诉我氨分子中的键角是多少-,键角，the，h，n，h，bond，angle。,实际上让我在黑板上画出它来，这样你们可以看到实际上-,你能把课堂讲义放出来吗，因为你们没有讲义可以参考。
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