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单词 Frenet-Serret formulas
释义 Frenet-Serret formulas
[fre`nā sǝ`rā ´fōr·myǝ·lǝz]
MATHEMATICS
Formulas in the theory of space curves, which give the directional derivatives of the unit vectors along the tangent, principal normal and binormal of a space curve in the direction tangent to the curve. Also known as Serret-Frenet formulas.
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