在传统的面向对象架构（SOA）开发中，开发人员引入了一种分层结构，以便于分离各种复杂关系和帮助实现松散耦合。

In a typical Service-Oriented Architecture (SOA) deployment, a number of layers are introduced to facilitate the separation of concerns and to assist in loose coupling.

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提出了黑板知识源的概念，讨论了该构型的分层管理机制，并将其应用于综合防空多武器平台仿真系统的设计开发中，取得了良好的效果。

Finally the implementation approach has been applied to the development of the multi-weapons aerial defense system successfully and is proved to be effective.

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探讨了规划数据仓库体系结构、建立分层的企业级数据模型以及采用分阶段建立模型等方法，解决目前数据仓库开发过程中的问题。

This paper discusses tools and methods for developing a data warehouse architecture, the layered enterprise model, staged model implementation for strategic information management.

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