potency of a set是什么意思

用法例句

Representation of product measure and measurability of measures of sections of sets;

乘积测度的表示与集的截口的测度的可测性

In this paper,we introduce first the concept of side-sets of self-similar set and the concept of order of side-sets of self-similar set,and we show a side-set is a self-similar set too.

引进了自相似集的边集以及边集的阶的概念 ,指明了边集也是自相似集并在此基础上讨论了边集的Hausdorff维数问题 。