说明：数字常数及1超出范围。

Explanation: Numeric constant &1 out of range.

youdao

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。

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.

youdao

他所指的数字依据字母阿尔法和一个更加冗长的精细结构常数，该数的确神奇。

The number he was referring to, which goes by the symbol alpha and the rather more long-winded name of the fine-structure constant, is magic indeed.

youdao

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