由画法几何原理可知平面面积等于其正投影面积乘以该平面与投影面夹角的余弦。
According to principle of descriptive geometry, the area of plane equals projection of the plane divided by cosine between plane and projection of plane.
视图是按正投影法即零件向投影面投影得到的图形。
Orthography of the view is based on the projection plane projection parts are the graphics.
视图是按正投影法即零件向投影面投影得到的图形。
Orthography of the view is based on the projection plane projection parts are the graphics.
应用推荐