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What place can it occupy in each type of discourse, what functions can it assume, and by obeying what rules?"
它可以在每种话语中占据什么样的位置，它在遵循什么原则的情况下可以有什么样的功能？“
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It just goes north to south and then it stops somewhere in the Sahara Desert or something.
它就是从北向南流，然后在撒哈拉沙漠的什么地方断流了。
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If you've got a problem that has units associated with it, do the exercise of carrying the units through because, guess what?
如果你做到一个跟单位有关的题目，请你在做题目的时候密切注意它，因为，猜猜是什么？
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So we can see what it's doing is it runs. So let's try fib it here with Fib of 6.
我们可以看到它在,运行的时候做了什么,让我们试试。
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Well tell me some of the ways, how is it different now then my boyhood with just the Saturday morning cartoons?
给我说说这些不同之处,它与我小时候在周六早上,播放的动画有什么区别呢
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Whatever the number two is, it's something that our mind can grasp but isn't actually in the physical world.
不管数字2是什么,它是心灵可以掌握的东西,而在物质世界中却不存在
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For the course's website, help@cs net there'll be support forms and an email address, help@cs50.net, that you can turn to and frankly this is more a commentary on our lack of social lives during the term.
对于课程网站，我们有支持表格和邮箱地址，有什么问题可以求助去它,这更像是在评论我们的学习生活太缺乏社交活动。
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You could watch where it localizes in the cell, there are fluorescent assays you could use to determine what other proteins it interacts with.
你可以看到它在细胞的什么地方，你可以用荧光化验的办法确定,它和其它什么蛋白质相作用。
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At that instant, if you leave anything on the floor, you know it's no longer yours.
这个时候,如果你掉了些什么在地上,它就不再是你的了
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But one thing we can do is tell you where leadership may help.
可至少能知道它在什么场合有用武之地
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What is it saying? What is its meaning?
这首诗在说什么呢？它是什么意思？
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We relied on plitical polling and political advice to decide what issue to emphasize, how to talk about it, what region of the country to talk about it and so on.
政治上有时会依靠民意测验,和政治建议帮助我们作决定,该强调什么问题，怎么讨论，在国家的哪个地区讨论它,诸如此类。
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I want to play this one with the piano a little bit and I ask you the name of the composer of this piece-- it's a bit less well known but maybe not-- what it's called and when in the history of music it was written.
我会用钢琴演奏一小段,然后我会问它的作曲是谁,这曲子有点不太知名,也说不准,它叫什么,在音乐史上是什么时期创作出来的
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It's just a chunk of characters back to back to back so this is storing at the very first location in the string what?
它只是一串紧邻的字母串,所以它把什么存储在,字符串的第一个地址下？
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And so it has what? In contrast to the sigma, it has a nodal plane containing both nuclei.
这是什么，和sigma相反，它是包覆在核上的平面电子云，有一个界面。
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The loop invariant what does the loop invariant mean? It says, here is a property that is true of this structure every time through the loop.
循环不变量是什么意思？,它是一个在结构体中,每次循环都为真的属性。
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You could see, for example, when it's expressed in a cancer cell, and where it's expressed.
你可以看到，比如说，它什么时候在癌细胞里被表达，在哪里被表达。
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Still, that's not a world in which the Morning Star doesn't exist, given that what we mean by the Morning Star is that heavenly object, whatever it is, that in this world we pick out at that time in the morning looking up at the sky.
但这并不是意味着,晨星在这个世界不存在,如果给定了晨星的意思就是,一个这样的天体,不管它到底是什么,在这个世界上,在早晨的那个时候我们仰望天空,就能看到的那个天体
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So up to this point, before it was really established that yes, light is like a particle sometimes, there was this very strong distinction between what is light and what is matter.
所以关于这个观点，在它被真正确立之前，光有时候像粒子，在什么是光和什么是物质之间,有一个非常巨大的区别。
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For those of you don't know what that is it's simply an instrument that counts radioactive particles in the air, and MIT now that you're at MIT, you'll all have a chance to see one first hand if you're ever in any of the labs, especially in the chemistry or bio labs.
不知道它是什么,它就是一个简单的,计算在空气中放射粒子数目的仪器,你们现在来了，如果你们在实验室里工作的话,尤其是化学和生物实验室，你们有很多机会亲手用到它。
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We're checking the end test and incrementing, actually I was going to, I commented that out for a reason you'll see in a second, but I, normally I would keep this on, which would let me, at each step, see what it's doing. If I ran this, it would print out each step. Which is helping me make sure that it's incrementing the right way.
对不对？进行终结测试然后递增，实际上我要，因为某些你们,马上要明白的原因我把这里注释了，但是我通常会一直这么做，这样能让我看到每一步都做了什么，如果我运行这个程序，它会在每一步都,进行显示，这能帮助我让我确信程序是,在以正确的方式递增。
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What is here that shouldn't be here?
什么东西在这里，但它本不应该在这里？
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When we're just interacting with idol, with the interactive editor or sorry, interactive environment if you like, that's what you expect. What's happening is that we're typing in something, an expression it doesn't know how to deal. It's raising the exception, but is this simply bubbling up at the top level saying you've got a problem.
就发生了其中之一是吧，当你在交互数据处理或者是在交互编辑器，抱歉，任何你喜欢的交互式环境中，你可能会遇到这些，如果你在输入什么内容,譬如一个它不知道怎么处理的表达式,它就会报一个异常,但这是否是简单的,把你遇到的问题冒到最顶层呢？
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Computing square root. I'm going to capture it in a piece of code, I'm going to be able to refer to it by a name, and I'm going to suppress the details, meaning inside of that computation, you don't need to know what it does. You just need to know, if I give it the right kind of input, it'll give me back an input that satisfies the contract that I set up.
比如计算平方根,我会用一段代码来说明,我将给它命名,并且忽略细节,意思就是在这一段计算过程中,你不用知道它做了什么，你只需知道，如果我进行了正确的输入,它将会给我符合条件的输出。
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And if I go ahead and run this -- now it's going to say woops, at me.
如果我继续来运行它-,现在发生了什么？我在这里尝试。
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It actually doesn't do anything at the end of the day because I am performing this math.
实际上，最终它什么都不会做,因为我在演算这个算术。
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Where and when do you want to peak, ? as it were, in terms of your accomplishments?
你想在什么时间到达巅峰，如果它说的是你的成就方面？
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So, what's the idea? If I know what my hash function does, it maps, in this case characters into a range zero to 256, which is zero to 255, I create a list that long, and I simply mark things.
我知道我的哈希函数做什么,在这个例子中，它将字母，映射成0到255的256个数字，我创建了一个这么长的列表，并且我只是简单的标志这些东西。
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Just iterates from zero to Arg C. The indented line here print F is clearly printing a string, as per the percent S, but what is it printing?
只是从零开始迭代,到ArgC，这个缩进行printf显然是打印一个字符串,就像每一个%s，它在打印什么呢？
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This is now on the heap it's four bytes so what gets stored in X?
在堆上，它是4个字节,那么在x中存储的是什么？
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