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"I want you guys to understand I will never hesitate to use force to protect the American people or our vital interests.
VOA: standard.2009.11.13
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And I would be able to simply bury away the details of how those other instances are created from how I want to use them by simply calling methods on the classes.
也就是一些线段的组合,我还可以把怎么实现那些,实例的细节包装起来,把它和调用实例分开来,我们下次还会接着讲这个。
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for example, in the exams I take time to like figure out what words I want to use
比如说，考试的时候我要费时间想我要用哪个词，
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I want to use the example of the red light.
它就是红绿灯。
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in fact I want to use the word stitched together, because in the Ancient Greek world the people who sang, recited, created the poems of the Homeric epics were called rhapsodes, and that means stitchers of songs.
事实上,我想使用"串联"这个词,因为在古希腊,那些歌唱,朗诵,和创作《荷马史诗》的人,被称为吟诵者,就是说把诗歌串联在一起传唱
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This is the name to which I'm going to refer when I want to use this function. All right?
这是我以后使用这个函数式,会采用的名字？
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But long story short, if I want to use a function called sleep, -- the reason I, the programmer, knew to use that library -- -- that header at the top -- because it told me to in this little synopsis.
但长话短说，如果我想要用一个叫做sleep的功能，我作为程序员知道使用那个函数库-,上面的标题-,因为在这个小的大纲中它告诉我。
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So I just want to use that again and again, starting from that, for various different sorts of conditions andderive the criterion for equilibrium in each set of conditions.
所以我将会一遍又一遍地使用这个公式，从这个公式出发，在各种条件了,推导出,任意条件下的平衡条件。
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I want to make one other point before we launch into that, and that is the following: that composers use the rate of harmonic change-- whether it's changing or not changing-- to sort of make us feel different ways about the music that we are listening to.
在此之前我还要说一个问题，不管和声有没有改变，作曲家都能通过和声改变的频率-,让我们对所听的音乐有不同的感受-,它能让我们感受到这段音乐。
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Let me finish the picture here; here's my demand curve, here's my constant marginal cost at c, and I want to use this picture on the left now to figure out what the monopoly quantity is.
先把图画完,这条是需求曲线,这个是边际成本常量c,下面我们通过左边的图像,来找出垄断产量
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So what I want to point out with this case in beryllium is that you don't have to use all of the electrons to figure out the bond order, and in fact, once you get to molecules 10 that are from atoms with atomic numbers of 8 or 10, you're not going to want to maybe draw out the full molecular orbital diagram.
我要指出的是,在Be这种情况下,你不需要利用,所有的电子来指导键序，实际上，一旦分子中,原子序数到达了8或者，你也许不想画出,整个分子轨道图。
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Of course the most common use of the "I want to" pattern is when you express your desire for something.
当然，“I want to”句型最常见的用法是用来表达你对某事的愿望。
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Well, if I want to look at this, I want to have very accurate capabilities in terms of the energy that I use, the light that I use.
嗯，如果我想看看这个，我得有精确的观察能力,根据我用的能量，我接收的光。
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I want my child to be all of the world in real life, and I want them to be all of the world when they use the software, what`s out there?"
我想要让我的孩子在生活中接触面更广,也想让他们在用软件时如此,有这样的软件吗？“
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You guys probably know that too from your days at the daycare, but I want to derive the formula and put it up, then we'll see how to use it.
你们可能从幼儿园起就已经知道这个式子了,但是我想重新推导一遍,再来看如何进行运用
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In other words, not Lorenzo at all, but precisely princes who have or will achieve their authority through their own guile, their own force, or their own virtu, to use the famous Machiavellian term that I want to talk about later.
换句话说并非罗伦佐，而是那些已经或将会,透过其欺诈手段,获得职权的君王，透过其武力或，Virtu，夺权的君王，这是马奇亚维利著名的词汇,我稍后会谈到。
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I want to talk a little bit about how you use the things we've been building in terms of functions to help you structure and organize your code.
第一件事情就是我要谈下,怎么利用我们,所做的能在方法方面,帮助你们组织和优化代码。
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It turns out you can list one, give it a name, and if you use square brackets, that tells the compiler I actually want to put multiple values inside of this -- inside of this variable and how do we do that?
结果是你可以列举一个，给它取个名字，如果你使用方括号，那是告诉编译器,在里面我需要许多的值--在这些变量里,我怎么做到的？
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And the main one is, I get to just decide, how do I want to use this, and call it.
但是这真的会有一些好处，最重要的一点是，我需要决定，我要如何来使用这个方法，以及如何来调用它。
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The final document I want to use to make the point here comes from precisely the poems of Solon.
我陈述此观点所用的最后一份文献资料,来自梭仑的诗歌
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And the reason I want to use this as an example is, here's my little definition of segment.
我为什么要用这个,做为这个例子的原因是，这是我对于segment的一个小定义。
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So that is a flag that tells the compiler that I want to use or link into my own program code that someone else wrote that lives somewhere else on the system whose moniker is CS50.
所以那是一个标记，用来告诉编译器我想使用,或连接我自己的程序代码到一个叫做CS50的系统中的程序,可能其他人在那个系统写了这些程序。
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But I want you to see now what happens if I use this. Let's bind x to the value of 3.
但是我想你看看如果我这么用的话,会发生什么。
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So I could -- and the hint here is that looks like you probably do want to use CS50's library because I've included the so-called header file for it.
所以我可以--这里的提示看起来好像,你可能的确想使用CS50的函数库,因为我包含了所谓的头文件。
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The reason I say that is, by having operator overloading I can use 1 generic interface to all of the objects that I want to use.
他在大多数情况下都是对的，我要这么说的原因是,通过运算符重载我可以,用一个通用的借口对。
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And I want to describe both the syntax, what we're doing, and then the semantics of how do we use it and what does that mean.
现在我想解释一下语法，我们在做什么,还有我们使用时的符号,以及意义。
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I stress it in particular because I know you're all going to get into this stage; you've got a problem set due in a couple of hours, you're still writing the code, you don't want to waste time, and I'm going to use quotes on "waste time", doing those extra things to do the defensive programming, you just want to get the darn thing done.
我特别强调了这一点,因为我知道你们都会慢慢成为程序员;,你在写代码过程中造成了一系列的错误，你还在写代码，你不想浪费时间，我想把“浪费时间“用引号圈起来，浪费时间来做因为防卫性程序设计，而带来的这些额外的事情,你只想赶紧把程序写完，这不是一个好习惯，因为当你做完回头。
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And it's a topic I want to pick up on today, we're going to do for the next few lectures, and it's a topic I want to spend some time on because this idea of capturing data and methods, the term we're going to use for it, but data and functions that belong to that data, things that can be used to manipulate them, is a really powerful one.
我们会在今天讲这个话题,在后面几节课还会讲这个,这是个我愿意花点时间，在上面的话题因为这是个,捕获数据和方法的思想,我们用这个术语来形容它，数据中包括了数据和函数等，能用来操作它们的东西,真的是很强大的工具，我们真正要讲的东西是，我们要学会如何把信息。
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I may not want to do the full range of this, but I may decide I have to use a lot of gigabytes of space in order to do a trade off.
哈希成一个整数，我不想完整的去做这件事，但是我可以想像我需要用许多G的空间,去完成空间和时间之间的权衡。
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