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ＣＯＲＢＡ体系结构定义了分布式对象交互的语义，这种语义是固定和不可扩展的．虽然ＣＯＲＢＡ服务能够扩展ＯＲＢ的基本功能，但都是基于给定固定语义的．本文在分析现有ＣＯＲＢＡ 标准不足的基础上，给出了一种基于分片对象模型的ＯＲＢ扩展，一种较ＣＯＲＢＡ开放和灵活的体系结构，且其实现能包容由ＣＯＲＢＡ标准支持的应用程序．
The CORBA architecture defines the semantics of distributed object interactions, which are fixed and inextensible. Although CORBA services extend the basic functionality of ORBs, they are all based on a given fixed semantic. Based on the analysis of the deficiencies of the existing CORBA standard, this paper presents an ORB extension based on the fragmented object model, an architecture that is more open and flexible than CORBA and can realize the applications supported by the CORBA standard.