Some attributes and characters are defined with graphics and set theory, which is the basic for quantificationally describing the leaguing process of RMEDA.

• 剖析了RMEDA建盟的3种模式，并运用图论和集合论的知识对该模型中的若干属性和特徵给出严格的数学定义，从而为动态联盟建盟过程的数学定量描述打下基础。