基于CORBA数据模块的三层结构模式的数据库系统，增强了测量系统交互的灵活性、安全性、扩展性。
The three-layer structure database system based on the CORBA data module to enhance the measuring system exchange adaptability, safety and expansibility.
针对合作环境建模下的三层合作结构模式和三层合作过程模型，介绍了企业注册代理层提供的功能、服务及体系结构。
The paper describes the enterprise registration agent, which functions, architecture and the services are provided for establishment of agile enterprise.
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