MEDB, a relational database management system developed on microcomputer, is suitable for CAD system integration.

MEDB是在微机上研制的适用于CAD集成的关系型数据库管理系统。

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The dynamic characteristic of the EMP-LCA database and the integration between EMP-LCA software system and CAD are also realized.

实现了EMP - LCA数据库系统的动态性以及软件系统与CAD的集成等关键技术。

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The integration of CAD System and PDM System is the most difficult part. The key point is make sure the consistency of the data change that is between CAD System and PDM System.

CAD系统与PD M系统的集成是PDM系统集成中难度最大的环节，其关键在于保证CAD系统与PD M系统之间数据变化的一致性。

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