Describing the process model of product development by logic DFC, planning the process by methods of concurrent engineering activity planning, the process model of auto panel die design is developed.
通过应用逻辑DFC图对产品开发的过程模型进行图示化描述，应用并行工程的活动分解方法对过程进行分解，建立了汽车覆盖件模具设计的过程模型。
D geometric constraints solving has important significance for assembly modeling, assembly process planning and concurrent engineering.
三维几何约束求解对于装配设计、装配工艺规划和并行工程等多个领域的研究具有重要意义。
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