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。
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?
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。
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“
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。
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。
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。
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
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。
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。
Set the intersection points equal, the equations equal to each other and solve.
令交点处的两个方程相等,然后就可以解出来了
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。
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。
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。
Or another way of thinking about it, is remember I said when I call that class definition it creates an instance, that's a pointer to some spot in memory that's got some local information around it.
也就是一个指向,内存中某处的指针,这个地方存有一些,这个实例的信息,浅意义的相等也就是说,看看这两个东西是不是。
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。
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?
you're looking for that equal and opposite forces acting at two ends of the rope.
你就得求出作用在绳子两端的,大小相等方向相反的力
to take my cylinder now, and the external pressure and the internal pressure are not going to be I'm going to start with my cylinder here, I'm going to put little pegs here so it doesn't fly up.
活塞内外的,压强不相等,我们在,放上插销,以防止活塞。
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。
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。
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。
OK, so that means heat is being imparted to the system, right, from the surroundings in a manner that compensates exactly the amount of work done.
好,这表示系统,从外界吸热,吸收的热量与系统,对外做功的值相等。
These things have to be equal to each other.
这两个偏导数是相等的。
And this is a point I want to stress here.
我想要区分浅意义上的相等,和深意义上的相等。
It turns out, it's part of a big picture and all of general relativity is based on this one great equivalence of two quantities which are very different attributes.
已经证明的是,这确实只是冰山一角,广义相对论的所有理论,都是建立在这两个质量相等的基础之上,而这两个质量的属性有很大差异
If they're equal, maybe you will say the law is working.
如果它们相等,也许你会说,定律是对的
Well, they don't have to share equally, do they?
他们不需要完全相等的共享,不是吗?
The way I've drawn it they're not the same at all.
我画的一看就不相等
The force is not known, but it's the same force.
力的大小未知,但与前一个力大小相等
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