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
通过可展曲
微分不变量,导出可展曲率线与曲率特征,并以
切线曲为例阐明这些特性几何意义。
;有立体感;;，视力;;
;;;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.
本通过可展曲微分不变量,导出可展曲率线与曲率特征,并以切线曲为例阐明这些特性几何意义。
Digs the texture is according to the trees texture mesoplasm place difference, uses carves, engraves, rubs, very hot, dyes and so on crafts to complete, presents the stereoscopic effect.
一条条刨出来纹理是根据树木纹理中质地不同，采用雕、刻、磨、烫、染等工艺完成，呈现立体效果。
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