And I am going to call this whole geometric factor here, I am going to put it into one number, and I am going to denote that the Madelung constant.

接下来我将会称这一部分为几何因子，我将把它们整合在一个数字里，我将会标注它为马德隆常数。

麻省理工公开课 - 固态化学导论课程节选

And this diagram shows what I simply labeled as a stem cell, so I'm not referring to any particular kind of stem cell now, but just a cell that has the stem cell character.

这张图示内容我就简单地标注为干细胞,现在我提到的干细胞不是特指哪种干细胞,而是指拥有干细胞特征的细胞

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