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If I want to create a set or a sequence representing these things, I simply insert into that list.
如果我想创建一个集合,或者一个序列表示这些东西，我只要简单的把它插入列表中。
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You can use it to show that you have or do not have, posses or do not possess, something tangible or intangible.
你可以用它来表示你有或者没有的东西，不管是这些东西是有形还是无形，都可以通用。
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If we want to write sodium, for example, sodium 23, 11. Well, 11 means it is sodium.
如果我们想写钠，举个例子，钠23，11，好了，11表示它是钠。
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Instead if we want this pointer to represent the address of something in as much as it points at that address let's just draw an arrow.
如果我们想要让这个指针表示,数据的地址，它指向的地址,我用一个箭头表示。
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Yeah. Absolutely. A lot of emphasis, a lot of variation in tone, and the italics are part of the representation of that.
对，绝对是的，很多的强调，很多语气上的变化，而斜体字就是它的表示方法之一。
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Right, and just to get a sense of this, let's look at a simple little example, so on your hand-out, you'll see I've got a little piece of code that says assuming I've got one of these points, I want to do things with it, for example I might want to add them together.
这些数组中的一个，你怎么能够知道，它是哪种类型的呢？,你怎么知道它是以笛卡尔坐标,表示的还是以极坐标,形式表示的呢？,你没有可以用来区分的东西，你没有说明这种信息,聚集实际上的意义。
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So, this really just means for frequency, it's a frequency label.
你要说米每秒，所以它仅仅是，用来表示频率的，是个频率的标志。
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You might choose to use a word for "Dog" as "Woof woof" because it sounds like a dog but you can't use a word for "Country" that sounds like a country.
你可以用"汪汪"这个词来表示"狗",因为它听起来像只狗,但你却无法使用一个听起来像国家的词,来表示"国家"
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We can also do this with excess returns.
我们也可以它来表示超额收益
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On the side over here shows a cell membrane and so this is outside the cell above it, and this is inside the cell below, and this is the lipid bilayer that separates the outside of the cell from the inside of the cell.
这边这个表示细胞膜,它的上面代表细胞外部,下面代表细胞内部,这个是脂质双分子层,将细胞内外分开
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So we'd really like to be able to find some sort of equation of state, or some sort of rather function of state that's going to relate the heat going in or out of the system with that function of state, because this isn't going to do it.
所以我们真的想要去,找到一些态方程或者态函数,通过这个态函数可以表示热量,在系统与外界的交换,因为这个不能表示它。
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Again, so as we don't get confused, normally we use S for strategy, but let's use P since they're prices.
为了避免混淆,通常我们用S表示策略,但是这次我们使用P,因为它代表价格
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You can use this to express possession or a lack of possession of anything. Tangible or intangible.
你可以用它来表示你有或没有什么东西。有形与无形的事物都可以通用。
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Obviously, it doesn't mean "come in" in the sense of the red light over a street door.
当然，它不像临街灯一样表示,进来吧。
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There are many passages that make it clear that it's written from an exilic perspective .
也有很多章节明确地表示,它是从流放者角度书写的。
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It means a gentleman; it means the best kind of person.
它的意思是绅士,表示最优秀的一类人
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We'll adapt the convention that we'll measure angle in a radian.
我们要适应它,以后都用弧度来表示角的大小
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So usually, it conveys a negative meaning, meaning that you don't want to do something
所以，通常它传达着一种负面的意思，表示你已经不想再做某事。
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This is a great pattern that you can use to express a level of certainty,
这是一个很棒的句型，你可以用它来表示某种程度的肯定，
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It's just a little block of memory in RAM, you know, that represents four bytes, 32-bits and the Number Two is currently in it.
它只是一小块内存块，它表示4个字节，32位,那个数字2就存储在里面。
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This means you can vary the neutron number without changing chemical identity, because chemical identity is fixed by the proton.
这表示你可以改变中子数,而不会改变它的化学特性，因为化学特性是由质子决定的。
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And so what's the biggest possible number you can represent, give or take, with 32 bits?
所以它可以表示的最大的数值是多少呢,大概是多少？用32位表示？
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So if we want to put that in chemical terms, we want to make sure we put these in brackets here, and remember, this is the resonance arrow, it's not a reaction arrow, it's a resonance arrow, so make sure you mark it up correctly like that.
那么如果我们把它类比到化学中来，我们要确保它们都放在括号里，而且要记住，这是一个表示共振态的箭头，而不是表示化学反应的，它是一个表示共振态的箭头，因此请务必像这样正确地标记它。
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They're colored different here to indicate one new difference that you know about now, and that's that there is an orientation, there's an up and down on the chain.
这里被涂成不同的颜色,来表示另一个不同之处,它是有方向的,表示双链一条向上,一条向下
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Well, you can see the pink line shows the employment in Los Angeles, and indeed, it did move around corresponding to the booms and busts in the Los Angeles market but not so dramatically.
你可以看到那条粉线,表示了洛杉矶的就业情况,实际上,它紧随着洛杉矶市场,兴衰变动,只不过没有那么显著
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Wow" is Dean's word. "Wow" is the kind of word that means nothing, but it suggests the immediacy of Dean's engagement.
哇是迪恩的话，哇这个词可以是没有意义的，但它表示了迪恩的直接参与。
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So this will be total quantity of goods produced by Firm 1 and goods produced by Firm 2 that are consumed.
所以它量表示,公司1和公司2,所生产出的,能被市场消耗的产品总量
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In fact it gives me back, now I hate this, it's actually a list it's not a tuple. But for now think of it as giving you back an explicit version of that representation of all those elements.
它实际上是一个数组而不是一个元组，但是现在你们可以把它认为,是明确的这些,元素的一个表示,你会在接下来的一些课程中看到。
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So it's the affinity it has for electrons, it's how much it likes to get an electron.
因此，它表示的是对电子的亲和力，即有多么希望得到一个电子。
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It does represent the sum, in the sense that if i gave you four bucks and I gave you five bucks, I gave you effectively nine.
它表示的就是这两个矢量的和,好比是如果我给了你四美元,然后再给你五美元,我其实给了你九美元
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