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单词 Geodesic torsion
释义

Geodesic torsion

英语百科

Darboux frame

(重定向自Geodesic torsion)
A Darboux trihedron consisting of a point P and three orthonormal vectors e1, e2, e3 based at P.

In the differential geometry of surfaces, a Darboux frame is a natural moving frame constructed on a surface. It is the analog of the FrenetSerret frame as applied to surface geometry. A Darboux frame exists at any non-umbilic point of a surface embedded in Euclidean space. It is named after French mathematician Jean Gaston Darboux.

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