The relationship between the oblique line and every projection plane included Angle, and It's application on problems proposed and solved were discussed in the paper.
本文论述了一般位置直线与各投影面的夹角相互关系问题及其在命题、解题方面的应用。
The relationship between the oblique line and every projection plane included Angle, and It's application on problems proposed and solved were discussed in the paper.
本文论述了一般位置直线与各投影面的夹角相互关系问题及其在命题、解题方面的应用。
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