CM是规范数据模型Canonical Data Model(CDM) CDM是一种语义模型，作为一个统一模型去管理一组接口规范 A CDM is a semantic model chosen as a unifying model to govern a collection of interface specifications Translator Translator A☑ C四 皿 D目 Canonical Data Model Figure 1:Simplified Example of the Use of a Canonical Data Model Before and After Before After System 2 System 2 System 1 System 3 System 1← System 3 Canonical Data Model System 4 System 6 System 4 System 6 System 5 System 5Provided by Jay Britton CIM 是规范数据模型Canonical Data Model (CDM) CDM是一种语义模型，作为一个统一模型去管理一组接口规范 A CDM is a semantic model chosen as a unifying model to govern a collection of interface specifications