The problem that can be likely the lamina incontinuity is resolved, which is induced by calculating error of relatively liquid angle in the drawing lamina plane by two arc.
对两圆弧法绘制叶片平面投影图中相对液流角的计算误差会造成叶片不连续问题提出修正；
This courseware is used for finding the position of the endpoint of two intersecting triangles and drawing the surfaces, the isometric projection of the intersecting line and three-plane projection.
两平面交线课件主要功能用于求解各种位置两平面交线的端点、绘制两平面交线的正等轴测投影和三面投影。
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