This paper gives an account of the drawing methods of stereo-projection pictures, illustrating the basic rules and of drawing and the methods of making stereo-projection pictures.
主要介绍三维体视投影图的画法，指出作图的基本规律和图形的表现方法。
This paper gives an account of the drawing methods of stereo-projection pictures, illustrating the basic rules and of drawing and the methods of making stereo-projection pictures.
主要介绍三维体视投影图的画法，指出作图的基本规律和图形的表现方法。
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