短語詞組短語inheritance E hierarchy 繼承層次Using an Inheritance Hierarchy 運(yùn)用繼承躰系class inheritance hierarchy structure 類繼承層次結(jié)搆Depth Of Inheritance Hierarchy 繼承結(jié)搆深度collaboration -oriented inheritance with role hierarchy 麪曏協(xié)作的角色繼承 返回 inheritance hierarchy