3. [奥]F•霍恩贝格:《工程画法几何》(Konstruktive Geometrie in der Technik),.洪钟德主译,高等教育出版社,北京,1987年第1版,第8-10页。
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随着计算机图形技术在工程与教学中的推广应用,在教学实践中对如何处理画法几何部分的讲授出现了两种意见。
Along with the spreading of computer graphics in teaching and engineering, there are two opinions about how to deal with descriptive geometry.
组合体的投影作图,一直是学生在学习画法几何和工程制图当中的一大问题。
The projection drawing of assembly has been a big headache for stu dents when learning techniques of geometry drawing and engineering drawing.
由于在工程图学中,用正投影法解决画法几何中的某些度量和定位问题往往很不方便。
In engineering drawing, it is always inconvenient for orthographic projection to solve some measurement and orientation problems.
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