extension set connection number

Based on the Extension set connection number, in this paper Extension set pair trend are put forward. And the relations of Extension set connection number are defined.
在可拓集聯(lián)系數(shù)的基礎(chǔ)上,提出了可拓集集對(duì)勢(shì)的概念,并且對(duì)集合型可拓集聯(lián)系數(shù)的關(guān)系做了定義。