sketch-based features
sketch-based特性
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In this research, the program of automatic generation of parts processing sketch, which is based on parametric drawing, is completed by means of defining features of parts.
本文所叙述的工序图的自动绘制模块是通过将零件分离成各种特征，在参数化绘图的基础上实现的。
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