And in fact today, right now, we're going to move back the furthest we go, all the way into the nineteenth century to talk about the early Yeats.
实际上今天,现在,我们会回到很早的时候,直到十九世纪,来谈谈早期的叶芝。
So much of our life again if it is all in control, what happens when something doesn't go the way we have planned.
如果我们的生命总是风平浪静,一旦事情与我们计划的不同,我们该怎么办。
But, of course, we want to go all the way to distance, so we take the second derivative and we have this equation for force here.
当然我们最后想要的是距离,所以我们取二阶微,分就有这个式子。
This is the pulse of music and music theorists ever since the late fifteenth century from music theory Francinus Gafurius on we could go all the way back then have said that the pulse in music is basically at the same tempo as the human pulse which comes out to be about oh, we'll say seventy-two beats if you will, pulses, per minute.
这是音乐的脉搏,从十五世纪晚期到现在的音乐理论家们,像弗朗西斯·加福瑞,我们回到那个年代,那时就曾说过,音乐的律动,和人类的脉搏节奏基本一致,就是说相当于,我们说如果是你的脉搏的话,每分钟七十二下左右
And unlike n, l can start all the way down at 0, and it increases by integer value, so we go 1, 2, 3, and all the way up.
不像n,l可以从0开始取,然后每次增加一个整数,所以我们可以去1,2,3,一直下去。
We can go all the way down -- magnesium aluminum, all the way to this noble gas, 3s23p6 argon, which would be n e and then 3 s 2, 3 p 6.
我们可以继续,镁,铝,一直到惰性气体,氩它是Ne然后。
It looks like we hit zero, but we actually don't remember that we never go all the way to zero, so there's these little points if we were to look really carefully at an accurate probability density plot, And then, for example, how many nodes do we have in the 3 s orbital?
但其实没有,记住,我们永远不会到零,如果我们,在概率密度图上,非常细致的看这些点的话,它永远不会到零,在3s轨道里,有多少个点呢?,2个,正确?
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