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.
基于嵌套式工作流驱动型的产品配置管理的设计方法开发了一个PDM系统，示例证明其方法是科学有效的。
PDM system is developed making use of embedded workflow driving product configuration management approach. The case demonstrates feasibility of approach to the model.
基于嵌套式工作流驱动型的产品配置管理的设计方法开发了一个PDM系统，示例证明其方法是科学有效的。
PDM system is developed making use of embedded workflow driving product configuration management approach. The case demonstrates feasibility of approach to the model.
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