And if we're talking about things in spectroscopy terms here, this is what we call a doublet.
如果我们用光谱学术语来说,这叫双峰。
It doesn't even make sense now, they're not used in spectroscopy anymore, but this is where the names originally came from and they did stick.
现在看它没什么道理,它们在光谱学里也不这么用了,但这些名字,从这里面起源后来就一直沿用下来了。
And so when we get to n equals three that would be m shell by the spectroscopists' notation.
当n等于3的时候,根据光谱学家的标记法,那就是第m层。
And s is this lowercase notation l that the spectroscopists use in place of the l number.
而s这个小写字母,被光谱学家用来代替数字。
Spectroscopy is how you go and look at patterns, not just individual lines.
光谱学就是你怎样运行和看待一个图案的,而不是单独的线条。
This is what spectroscopy is.
这就是光谱学。
S This is s. S, according to spectroscopy, 0 means that l equals zero.
这就是s的意义,在光谱学中,表示l等于。
So these names, they don't really make any sense why they're called past s p and f, and it turns out that it comes from spectroscopy terms that are pre-quantum mechanics where, for example, this is called the sharp line, I think the principle, the diffuse, and the fundamental.
看到这些名字,你会发现,它们为什么叫s,p,f是没什么道理的,事实上,它们来源于,量子力学之前的光谱学中的术语,例如,它们分别叫做锐线,我认为是主线,漫射和基本。
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