Once you can see it and once you can step back from it, then you can also decide, "This pass is my filter. This pass is my constraint.
一旦你看到了它,一旦你能退一步思考它,你就能决定,这么走可以去伪存真,这么走会遇到困难。
So, you need some sort of property, something you can see, something you can measure, that tells you that heat has flowed.
所以,你需要某种性质,某种你能看到,能测量的东西,它会告诉你热量发生了流动。
When you open it, you will see all of the children's poetry. And it gave them a chance to share their work.
打开它,你就能看到孩子们写的诗,他们也因此能互相分享作品。
So, if there is one section of the lecture that I went a little too quickly for, you could say, gee, if I could just see that five minutes, you could click on it, zoom into that five minutes, play it a few times, and then say, I still don't know what he's talking about.
所以,如果有那节课,我上得过快,你可以说,天啊,我多希望我能看到那5分钟,你就能点击它,选择那五分钟,播放几次,然后说,我还是不知道他在说什么。
So this looks like it's doing a little bit of extra work, but you can see, if you look at that how it cuts it down at each stage.
它就做了很多多余的工作,如果你认真看,你能看到每个阶段,它是如果缩减查找空间的,我要告诉你。
And whenever it pulls on it and moves it to the right side you can actually see the flash of the ions entering the cell.
将它移到右边,你就能真切地看到,离子进入细胞的那一瞬间。
I think one of the greatest circles for moral good is storytelling where you're invited to take the perspective of another and see the world as they do.
我觉得宣扬德行的最好办法之一,就是讲故事,它能促使你从别人的角度看问题,看到别人眼中的世界。
So, I brought up this idea, "What if we could just use SMS? You could send what you're doing. It will go out in real time to all the people who are interested in hearing it. And then, it would be archived on the Web. You could also enter it from the Web and it would be device-agnostic.
所以我提出了这样的想法,如果我们只使用短信息会怎么样?,你可以发送你正在做的事,它会立即,让每个有兴趣听的人都看到,接着,它会在网上存档,你还能再网上读到它,而不需要设备支持。
You can see how things are feeding through the system: it starts out in one thing, it goes to the insurance companies, and then it goes to the municipal governments.
你能看到事件是如何在系统里相互影响的,它开始于一件事,它涉及到了保险公司,然后又传递到地方政府
Another thing I want to point out about every sigma orbital that you see, and it will make more sense when we contrast it with pi orbitals later.
另外一个我要指出的事情就是,关于每个sigma轨道你能看到,当我们把它和π轨道对比的时候会看的更清楚。
This is why people right tables and tables of H delta H's. Why you have delta H's from all these reactions, because this is basically the heat and the heat is something we can measure, we can control. We can figure out how much heat is going in and out of something.
这就是为什么人们一再提出ΔH的原因,为什么在所有的反应中你都能看到Δ,因为它就是热量,而且热量,是一种我们可以测量并且控制的东西,我们可以测量出有多少热量,从一些东西里面放出或被吸收。
So if we do this and we form the molecule ammonia, let's switch to a clicker question, and have you tell me what the bond angle - is going to be in ammonia -- HNH Actually, let me draw it on the board as you look -- actually, can you put the class notes on, since you don't actually have your notes to refer to.
如果这样做的话,我们就可以形成氨分子,让我们来做一个课堂练习,你们告诉我氨分子中的键角是多少-,键角,the,h,n,h,bond,angle。,实际上让我在黑板上画出它来,这样你们可以看到实际上-,你能把课堂讲义放出来吗,因为你们没有讲义可以参考。
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