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Because it's so important. And I should add and also under reversible work, where the external pressure is equal to the internal pressure.
而且我还要说应该在外部压强,和内部压强相等的,可逆过程中引入它。
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Right, so s of i saying, given the list, look at the i'th element, true is it the same thing?
第2个元素，看他们是不是相等呢？,如果他们相等，好，把答案设置为？
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I'm going to generalize from our simple story even more by saying that, let's not assume that we have equally-weighted.
我要将我们刚才的简单特例,变得更普遍适用一些，现在我们假设这两项资产的权重并不相等。
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He had a famous phrase to express this idea, "The quantity of pleasure being equal, pushpin is as good as poetry."
他有一句名言表达此观点，只要快乐的总量相等，针戏与诗一样好“
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So what we're going to do is set these two things equal to each other, put in stars here.
我们只需要令这两个表达式相等,在这里标注上*号
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Okay, so while not equal to, so bang equals, exclamation point equals is computer science syntax for saying not equal to, 0 while not equal to 2 which it is not, it is equal to 0.
好的，尽管不等于不是相等的反写,但惊叹号在计算机科学的语法是不等于的意思，尽管不等于2，但它是等于。
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So if you demonstrate something by writing an intelligent answer just by outlining it and saying, well, what I would do is I would equate the energy lambda and then solve for lambda, I can see that you know what is going on.
如果你想证明一些东西,通过写下一些很天才的答案,仅仅大致说一下，好的，我想做的是能量相等,然后解出，我能看到你知道怎么做。
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So, these two are equal to each other as well which tells me that this derivative, Cp dH/dT constant pressure is Cp.
所以这两者也相等,这告诉我们在恒压下微分，等于。
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We've got equal periods of suffering and doing slightly better and slightly better and slightly better equal periods of success and suffering.
两种生命所承受的痛苦相等,这种生命是变得越来越好,两种生命的成功和痛苦都相等。
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So, massless bodies will always have, like a massless rope, equal and opposite forces on the two ends.
所以无质量的物体,比如这个绳子,两边所受的力永远都相等
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So, another way to talk about dissociation energy is simply to call it bond strength, it's the same thing, they're equal to each other.
讨论离解能的另外一种方式,是直接称它为键的强度，它们是一样的，彼此相等。
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Well, I'm going to write on the board, "shield equals moon," and you can schematize it with, let's say, "A equals A'." A'?
我会在黑板上写下“屏障和月亮一般大“,你们可以在脑海里概括一下，“两者相等“？
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There's no correlation between them ... and that means that the variance-- and I want to talk about equally-weighted portfolio.
它们之间没有相关性,也就是说。。。方差-,我想讲一下,权重相等的投资组合。
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So what's going on in this case is, I want to distinguish between shallow equality and deep equality.
第一件事情就是,测试浅意义上的相等，这什么意思呢,这是个不太好的英语句子。
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Right, one the things you can see now is, we start building up classes, we get these methods.
实际上是相等的，好，你们现在，可以明白的一件事情是。
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But, of course, it's going to come from the fact that these second derivatives are also equal.
但是，结果同样是依赖于,二阶混合偏导数相等。
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And we've just seen that this is bigger than this, but the sums are equal.
我们知道它大于它，但是和是相等的。
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Same bond, symmetric bonds means equal energy, which means equal links.
相同的对称的化学键意味着相等的能量，相同的联系。
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Jeremy says in the text that the geometric return is always lower than the arithmetic return unless all the numbers are the same.
杰里米在书里说几何平均,总是比算术平均小,当然如果所有数字都一样,两个均值相等
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I've set these two things equal to each other: I've got one equation and one unknown.
我让两个方程相等,只剩下了一个等式和一个未知数
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Let's suppose that all of them are the same-- they all have the same standard deviation.
我们假设这些资产的收益率标准差-,均相等。
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So, how could he know that the charge on the two particles was equal?
就是这两种粒子,电荷量是相等的？
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Those two equal signs are saying, is this thing equal to, in value, the thing on the other side?
这两个等号意思是，左边的对象，在值上是不是和另外一边的相等？
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PROFESSOR 2: I just want to maybe mention that in some of the reading, you'll see terms like object equality and value equality, instead of shallow equality and deep equality.
教授2：我就是想提醒下,大家阅读的时候请注意，你们会看到对象相等和值相等,而不是浅意义相等和深意义相等，教授：好，那么，这个对象。
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Thing I've got a little procedure that could do that, but you know the simplest thing I could do is to say well, gee, wait a minute, why don't I just check to see if these are the same thing?
这两个点是同一个点么？,我已经写了一小块代码，可以提供这个功能,但是你知道的我可以做的，最简单的事情就是说好，嗯？,等等，我为什么不直接去看看,这两个东西相等不相等呢？
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Some people like to use shallow and deep, object and value, but they're talking about the same thing, which is it the same object or is it the same, in this case, set of values, depending on what you want to define as you use it.
有些人喜欢用对象相等值相等,但是它们是同一件东西，也就是是不是同一个对象，或者是不是同样的，在这个例子中，是同样的值集合，这取决于当你使用它的时候,想要怎么来定义它。
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Today, it's priced given the best-known information and so tomorrow it's equally likely to go up or down.
由最广泛的信息所决定的,所以明天它涨价和降价的概率是相等的。
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PROFESSOR: Right, so, this object, this is, right, value quality.
这是，好，值相等，好，这些词语你们都会看到。
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Is is saying, do these things point to exactly the same spot in memory, the same instance.
指向内存中的同一位置,同一个实例，深意义上的相等。
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Object versus value equality. Particularly when you use double equals, are you asking whether you've got the same object or the same value?
对象与值相等,特别是当你用==时,你得问问自己对象与值是否匹配？
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