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提出了一种基于零件形状特征及特征间关系的成本评价方法, 又根据不同加工方式建立了成本模型, 并利用有向图来表示加工过程, 把加工成本评价问题转化为最小路径问题求解
A cost evaluation method based on part shape characteristics and relationship between features was proposed. A cost model was established based on different processing methods. The directed process was used to represent the process, and the process cost evaluation problem was converted into a solution to the minimum path problem.