基本释义:

σ离散族

网络释义

1)σ-discrete family,sigma-discrete family,σ离散族

2)σ-discretely collection,σ-离散族

3)σ-discretely,σ-离散

4)σ-fuzzy discrete,σ-模糊离散

5)σ-discrete expandability,σ-离散可膨胀

6)σ-closed discrete spaces,σ闭离散空间