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针对箱体类零件单件小批量生产的计算机辅助工艺规程编制，在分析现有零件建模方法的基础上，提出了基于随机方位层次表达的零件建模方法。
Aiming at the compilation of computer-aided manufacturing process for small batch production of box-type parts, on the basis of analyzing the existing methods of part modeling, a part modeling method based on stochastic orientation-level expression is proposed.