研究了设计特征、工艺特征和成本特征之间的相互关系，按照并行工程思想，提出了与设计进程并行的基于特征映射的成本估算模型，研究了模型的实现方法。
The relations between design feature, machining feature and cost feature are studied. Cost estimating model based on feature mapping and its application method are presented in concurrent engineering.
而成本估算模型可以在工艺过程与成本之间建立定量关系，这是制造设计的关键组成部分。
Cost estimation is an essential part of design for manufacturing because it can establish a quantitative relationship between the technical process and the cost.
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