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中职生的基础不牢,给数控CAD教学带来很大困难。文章介绍了新的三维实体图形绘制方法,让学生更易理解,提高了学生的学习自信心。
The foundation of secondary vocational students is not strong, to CNC CAD teaching has great difficulties. The article introduces a new 3D solid graphics rendering method that makes students more understandable and enhances students’ self-confidence in learning.