Based on STEP standard and IDEF method,function model of product model information and its structureswith three layers (i. e. function layer,generic part layer,generic structure layer) are built.
英
美
- 基于STEP标准和IDEF产品建模方法,提出了基于功能层的产品信息建模和产品信息模型的三层结构:功能层、零部件层和构造层。