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What I am going to do is use these postulates and go through the basis for the Bohr model.
接下来我要利用这个假设,检查波尔模型的根据。
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Let's say that your uncle is going to go on a vacation with you and the rest of your family.
假设你的叔叔要和你们全家人去度假。
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I will only do them on one condition, and that is I want to be able to teach you what the assumptions are that underlie the points in the derivation.
只在一个情况下我才会做，那就是要能够教会你们,假设是,构成了推导的基础。
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But nevertheless, let's just go with this for a minute, and if we suppose that it took about a generation to enter the land so you see, I've done the math on the side here.
无论如何，我们还是要稍微讨论一下，假设，进入这块土地要一代人的努力,你看，我已经在这边做了算术。
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Again, same kind of reasoning says, given some value x, I happened to pick a small one here, what's an easy way to do this? Well, let's just start at one. That's my variable I'm going to change and check.
好，尤其是，让我们到这里来,让我给大家看看第二个例子,让我把这个注释掉，这是我要解决的，第二个问题，假设我想找到一些整数的,所有除数，我想要找出来这个数的所有的除数。
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I mean a lot of you, I imagine, make yourself kind of a salad at a salad bar.
我的意思是,假设,你去色拉吧要了一种色拉
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Now we're going to make an assumption today and for the next ten weeks or so; so for almost all the class.
现在我们不妨作一个假设,这个假设在接下来的十多周都要用到,差不多是整个课程都要用到
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And also that we know that the zero does not count as a node, if per se I actually had managed to hit zero in drawing that, so the correct answer would be the bottom one there.
另外你们要知道零点不是节点，假设说我确实把零点画成０了，那正确的结果就是底下这个。
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Let's suppose that in order to believe in something, you've got to be able to picture it.
让我们先假设要相信一件事，这件事必须是可以被想象的。
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But before telling you about this let me sort of Go through some of the hypothesis that we have and That we are now testing about why the subject is Difficult and why these materials assembled what We have assembled them might be useful.
但是谈那之前我要说说,我们之前的一些假设,我们现在正在测试为什么这个学科很难,以及为什么我们整合这些资料是有用的,我们认为把它们整合起来或许有用。
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Suppose you want to train somebody to do something and you want the training such that they'll keep on doing it even if you're not training them anymore, which is typically what you want.
假设你想训练某人做某事,你想要找到一种训练方法,使得他们即便不再接受训练,也依然能够持续展现某种行为，而这正是你想要的。
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We have to assume that the Lady is resisting Comus' advances because she has before her the higher ideal of married chastity.
我们要假设女士在抵制科玛斯的先进发展,因为在她之前就有了有关婚姻贞节的更崇高的理想。
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Suppose you are starting a business with somebody-- it could be at any time in history-- Babylonia or something--this must have happened.
假设你要和某人一起做一笔生意...,可以在任何一个时代...,例如古巴比伦或者其他时代...肯定发生过这种事
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To find the force, what you will do is, suppose somebody says, "Hey, I've got a new force.
为了找出这些力,你们要做的是,假设有人说,"嘿,我发现了一种力
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W2 So in this case, it's the amount of work is the area under that curve. And in this case here, the amount of work is bigger, w2 is bigger and it's the area under this curve.
这是路径2做的功,比W1要大，现在假设,我把这两条路径结合起来。
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Let's say that one of your closest friends is moving away.
假设你最亲密的一个朋友要搬走了。
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Let's pretend that you spend the evening out on the town.
假设你在要在城里度过一晚。
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And then, for the next piece of information, I am going to go to postulate number five.
接下来，我要讲假设五。
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Suppose instead, I want a machine that can take a recipe, the description of a sequence of steps, take that as its input, and then that machine will now act like what is described in that recipe.
假设换成这个，我想要一台可以安装描述，一系列步骤的结果的方法的机器，把那个当做输入设备，然后那台机器可以像方法中,描述的那样运行了。
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The first, which I just stated, is that the deflection of that negative particle was just far and away more extreme, much, much larger than that of the positive particle. The other assumption that he made here is that the charge on the two particles was equal.
为了这么做，他又做了更多的观察,首先，像我之前已经说了，测到的负电粒子,偏转要远远,大于正电粒子,另外一个他做了一个假设。
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So what are we actually going to assume?
我们实际上要假设什么呢
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Now what you might do about this, let's say that we--that you're the Surgeon General or you're the top health official in some country and you agree with this poll, that people are eating too much junk food.
那我们现在要怎么做呢,假设,你是卫生部部长或者你是,某国的卫生部门的高官并且你认可,人们摄取了过量垃圾食品的结论
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But we might then wonder, for every person who gets less than the average amount of life-- suppose we take the median, take the amount of life that's exactly, 50 percent of the people get more, 50 percent of the people get less.
但是接着我们可能会想，对于所有活得比平均寿命要短的人-,假设我们取中间数，相对于平均寿命，刚好五成的人活得更长，五成的人活得更短。
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So let's imagine we're playing the game again, once again you're going to the movies, once again the first one didn't happen so you didn't for some reason it was cancelled that night because someone had a bad cold or something.
我们再来进行一次这个博弈,假设你们又要一起去看电影,由于种种原因,第一天晚上你们都没有看成,假装因为有一个人感冒了
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But you don't want to have to run it a long time, every time you have a hypothesis.
但是你不必每次有一个假设，都要去运行很长时间。
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Imagine you have a math test and this is the front of the math test.
假设要做一个数学测试,这是数学测试卷的正面。
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I suppose there's a further question we have to ask, are there things that would be worth doing precisely ? because of the fact that they introduced the risk of death?
我假设我们还有一个更深层的问题要去回答，有没有事情是值得去做的正是因为,它们会带来死亡的风险？
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And the obvious question I could start with is, and suppose I ask you, how long does the algorithm implemented by this program take to run?
我开始这个话题的第一个问题是，假设我问你，由这个算法实现的程序大概,要运行多久才能给出答案？
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So chlorine, if we talk about it in terms of electron affinity, we would be writing that we're actually gaining an electron here, and getting the ion, c l minus.
那么，氯，如果我们要讨论它的电子亲和能，我们会假设它真的得到了,一个电子而变成离子，负一价的氯。
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Suppose we just remove stops, and the system slams up against the other stops.
假设我们要离开挡板，系统会上升达到另一对挡板。
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