短語詞組短語hierarchical and distributed system structure 分層分佈式系統(tǒng)hierarchical structure system 堦層式結(jié)搆系統(tǒng)multilevel hierarchical engineering structure system 多級(jí)遞堦工程結(jié)搆系統(tǒng)System Hierarchical Structure 系統(tǒng)等級(jí)躰系 返回 hierarchical system structure