PDM is an integrated platform of CAD (Computer Aided Design)/CAPP (Computer Aided Process Planning)/CAM (computer Aided Manufacture), also a frame for information integration of an enterprise.

• 它是CAD（Computer Aided Design，计算机辅助设计）/CAPP（Computer Aided Process Planning，计算机辅助工艺设计）/CAM（Computer Aided Manufacture，计算机辅助制造）等IT系统的的集成平台，是企业全局信息集成的框架。