最后，本文对系统设计思想和实施效果做了适当的总结，并对PDM及产品结构与配置管理的研究和技术应用的未来发展趋势作了简要的分析和展望。

At last, this paper makes adequate summary of the system's design concept and implement effect, and briefly analyses the development trend of PDM and PSCM technology.

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文章重点讨论了安全标签的设计思想、传输策略和访问控制逻辑，然后给出系统策略配置管理平台的设计和实现。

We mainly analyse design methodology, Transmission strategy and Access Control logic of Security Label. Then we present the design and implementation of Policy Configuration and Management platform.

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同时，设计中融入了MDA思想，应用了设计模式，实现了用户对程序的配置管理。

And at same time, the MDA into the design thinking, application of the design model, lead to a user's configuration management procedures.

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