So, what we're going to do is we're going to go through the derivation of that next day.
我们将要做的是,我们将要做的是,去推演第二天。
So I could have written right here immediately CvdT equals Cv dT, and that was the end of my derivation.
于是我在这里就可以直接写,来它等于,完成了整个推导。
We can make some substitutions here using some of the derivation on the previous board which will give us the Planck constant divided by 2 pi mass of the electron times the Bohr radius.
在这里我们也可以,用我以前在黑板上写过的一些词来取代它,得到的是普朗克常数除以2π电子质量,再乘以波尔半径。
I will try to finish every lecture on time, but sometimes if I'm in the middle of a sentence or the middle of a derivation, I may have to go over by a couple of minutes; there's no need to shuffle your feet and move stuff around.
我会尽量准时下课的,但是有时候如果我正在讲解一个概念,或者正在推导一个公式,我会稍微多讲几分钟,你们不用来回蹭脚,收拾东西什么的
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