So let me go back up here, and I'm going to comment out that region, and let's uncomment this region.
那么让我们回到这里,我会为这个区域添加注意,让我们先取消注释。
I went to school down there, but then immediately came back up here.
我去那儿上过学,但马上就回来了。
It will surface back up in another piece of work or another idea at some point in your life.
在某个时刻,旧点子会以另一种形式重新出现,或者另一个想法在会出现在你的生活中。
You've got to pretty much take that chalk, and make a slurry out of it, put water, and dry it back up, put in a mold, and then you can have the chalk again, but you can't just glue it back together.
你得尽可能地收集它的碎片,把它做成粉浆,加水然后风干,放进模具,然后你就能重新得到这支粉笔,但是你不能简单地把它粘起来。
All right? I don't care what's in there, but just assume that's my list. And just to remind you, on your handout, and there it is on the screen, I'm going to bring it back up, there's the little binary search algorithm.
好,我不管列表里是什么,就假定那是一个列表,要提醒你们的是,在你们的讲义上和屏幕上,有一个简单的二分查找算法。
And then he goes back to hell and then back up to heaven -goes back and forth between these two rhythmically very different concepts.
然后它回到了地狱,接着又升到了天堂,在这两种节奏非常不同的概念之间,来回往复
It's gone down a path towards maturation that's very difficult to go back up.
它在分化成熟的道路上越走越远,覆水难收了
What you'll notice is this hit and this hand went back up.
你们会看到,先有撞击,然后手会回到原先的高度
Now, this looks like a very innocuous thing, but you will find out,it is the only thing that really gets my back up. Most of the time I don't really care.
我知道这也许比较令人难以接受,但是这是我唯一的小小的要求,大部分时候我还是很随和的
So, anyway, that writing--let me back up a step.
好吧,那些文字...我们先从早的开始说
I have yet to show you the solution to a wave function for the hydrogen atom, so let me do that here, and then we'll build back up to probability densities, and it turns out that if we're talking about any wave function, we can actually break it up into two components, which are called the radial wave function and angular wave function.
我还没有给你们看过,氢原子波函数的解,让我现在给你们看一下,然后再来说,概率密度,实际上,对于任何一个波函数来说,我们可以把它,分解为两部分,分别叫做径向波函数,和角向波函数。
they get in a rut and they can't get back up.
他们就栽进去了,出不来了。
So I'm gonna spend some time talking about examples that I think we would not find puzzling and walk our way back up to the case of personal identity.
我将会花点时间讲解,举一些大家不会感到疑惑的例子,不要让大家重新掉入,人格同一性的问题。
In fact, they're just there as back up.
重申一下,课本就是救命稻草
But then they're forced to back up.
但随后他们却被迫撤退
and from way back up until now,
而且是从很久以前的收藏一直到现在的,
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