But, you can see, this is right out of his notebook, and you can see he's arranged the atoms by row.

但是，你能看到，这是他的记录本的右边，你能看到他按行对原子的排布。

麻省理工公开课 - 固态化学导论课程节选

It's just taken out of the reading of lecture notes.

只需要记录下阅读文献的号码就行。

麻省理工公开课 - 固态化学导论课程节选