He preserved the broad concept of energy levels but put in some fine structure.

他继承了波尔的广泛意义上的能级概念,但引进了一个新的结构。

麻省理工公开课 - 固态化学导论课程节选

This also, by the way, in some sense, gives me the beginnings of my comments for what the structure of my code is going to be.

顺便说一句，在某种意义上这也是我,对于我的代码结构的,讲解的开始。

麻省理工公开课 - 计算机科学及编程导论课程节选

Then the Phase Three that I mentioned, the 10,000 years ago had several things occur that were very important in shaping our current situation.

最后是我提过的第三阶段,一万年前发生的某些转变,对塑造当下的饮食结构而言,意义重大

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