And the third one talks about the question of degeneracy, and it is called the Hund's Rule.

它的第三部分讲的是简并的问题，被称作，洪特定律。

youdao

If you can\'t order a smaller portion, it is a good rule of thumb to leave at least one-third to one-half of the meal on your plate.

这是一个很好的标准，你可以根据这数据，在你的餐盘上去掉1/3到1/2的多余饮食配额。

youdao

And the third one talks about the question of degeneracy, and it is called the Hund's Rule.

它的第三部分讲的是简并的问题，被称作，洪特定律。

麻省理工公开课 - 固态化学导论课程节选

Nowhere in the accounts above does Obama rule out ordering the EPA to regulate existing power plants, responsible for roughly one-third of total U.S. greenhouse gas emissions.

FORBES: White House Appears Ready To Take On Coal Plants