The formula of the curve tangent slope at some peculiar point in the orthograph on the stereoscopic surface intersecting line and the method of making tangent are given as well.
本文通
曲面的微分不变量,导出面的曲率线与曲率特
,并以锥面和切线曲面为例阐
这些特性的几何意
。
The formula of the curve tangent slope at some peculiar point in the orthograph on the stereoscopic surface intersecting line and the method of making tangent are given as well.
本文通曲面的微分不变量,导出面的曲率线与曲率特,并以锥面和切线曲面为例阐这些特性的几何意。
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