Dynamic integration between heterogeneous CAx and Product Data Management (PDM) systems is a crucial problem to be solved in networked-manufacturing, especially based on STandard for the Exchange of Product model data (STEP) through Internet.

• 基于产品模型数据交换标准的异构CAx和产品数据管理系统间的动态集成是网络化制造亟待解决的问题。