“polar normal”的概念、定义、翻译、参考文献-科学参考

单词	polar normal
释义	polar normal [`pō·lǝr `nȯr·mǝl] ^MATHEMATICS For a given point on a plane curve, the segment of the normal between the given point and the intersection of the normal with the radial line of a polar coordinate system that is perpendicular to the radial line to the given point.
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