短語詞組短語class s hierarchy 類層次結(jié)構(gòu)class inheritance hierarchy structure 類繼承層次結(jié)構(gòu)class createsony hierarchy 類層次結(jié)構(gòu)class sony hierarchy 類層次結(jié)構(gòu)Class Composition Hierarchy 類復(fù)合層次Table per class hierarchy 每個(gè)類分層結(jié)構(gòu)一張表;一張表;單表繼承;表與類一對(duì)多關(guān)系Class Hierarchy Structure 類層次結(jié)構(gòu);層次結(jié)構(gòu)Class Hierarchy with Services 服務(wù)的等級(jí)composite class hierarchy 復(fù)合類層次 返回 class hierarchy