And so when the writing took off, I let the writing kind of lead me.
所以当我开始写作,我便让写作来指引我的方向。
All right. So, let's pick up where we left off, first of all we're still on the hydrogen atom from Monday.
好,让我们从上次停下的地方讲起,我们还要讲周一讲的氢原子。
Let me come off the stage a second, so I can encourage you to get involved in the discussion.
让我站下讲台一会,这样我可以鼓励大家都参与到讨论中来
And so he said, if you start off with a male and a female, at the end of one month they have an offspring. Let's assume they have two offspring. At the end of the next month let's assume those offspring have offspring. Again a male and female.
在13世纪的时候想要计算兔子的数量,就是一个月大的兔子,再过一个月就可以进行交配,所以它说如果你一开始有一公一母两只兔子,在一个月末它们就可以生小兔子,让我们假设它们生了两只小兔子。
So let me start off with-- is this the first day of shopping or was it yesterday?
首先我想问一下,第一次的试听课是今天还是昨天
Let's hold off on thinking about that question a bit further.
我们暂时不去进一步思考这个问题。
So, from this moment forth, and I heard some stuff go off earlier. But, I let it slide because I haven't had my chance to explain what my expectations are.
从此刻开始,我刚才听到了一些声音,但是,我置之不理了,因为我还没有机会,向你们表达我的期待。
He's not about to let mankind off the hook with Judgment Day.
他并不打算让人类从审判日的挂钩上下来。
But the law--the SEC requires that they at least present the standard earnings definitions for all these things Now another--let me just mention off balance sheet accounting.
不过,证交会规定他们至少要披露,各项收益标准定义,另一个内容,表外业务会计核算
So now let me pick up where we left off.
现在让我们继续我们代码。
Just kidding. I'll let you off the hook.
开玩笑的,我放过你。
Let me come down hazardously off this stage, and figure out-- Let's get the mics up a bit for a second, we can get some mics ready.
我先走下讲台看看各位,麻烦准备好麦克风
So it's going to keep in mind the limitations, so let's start off with talking about ionization energy.
那么让我们将这些局限性记在心里,继续来讨论一下电离能。
So let's take boron, for example, and this has - it starts off with three valence electrons.
我们可以看一个例子,我们以硼为例,这有。
You are about to go off on Friday night to see these movies and let's allow some communication ahead of time.
现在你们约好了周五晚上一起看电影,你们可以先沟通一下
So you say well, rather than rushing off and fixing this one bug, let me pull back and ask, bug is this a systematic mistake that I've made throughout the program?
因此我们应该回头想想,这是不是我在整个程序中都,在犯的一个系统性错误,而不是匆匆忙忙的去修复这一个,如果确实是系统性错误的话?
OK. Let's simulate the code. Let's see what it's doing here. All right, so we start off.
让我们看看这里到底做了神马?,好的,我们开始吧。
So the one person who didn't we'll let him off for today.
没选α的人以后要注意了啊
So, let's say we start off at the distance being ten angstroms. We can plug that into this differential equation that we'll have and solve it and what we find out is that r actually goes to zero at a time that's equal to 10 to the negative 10 seconds.
也就大约是这么多,所以我们取初始值10埃,我们把它代入到,这个微分方程解它,可以发现,r在10的,负10次方秒内就衰减到零了。
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