英语词汇“parabolic point”的意思、释义、用法解释及翻译-春雷网

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词汇	parabolic point
释义	Definition of parabolic point in English: parabolic point noun Geometry (Originally) a point on a surface at which the indicatrix is a parabola, i.e. where a plane parallel to, and an infinitesimal distance from, the tangent plane at that point intersects the surface in a parabola; (now) a point on a surface at which the Gaussian curvature is zero. Origin Mid 19th century; earliest use found in William T. Brande (1788–1866), chemist. Definition of parabolic point in US English: parabolic point noun Geometry (Originally) a point on a surface at which the indicatrix is a parabola, i.e. where a plane parallel to, and an infinitesimal distance from, the tangent plane at that point intersects the surface in a parabola; (now) a point on a surface at which the Gaussian curvature is zero. Origin Mid 19th century; earliest use found in William T. Brande (1788–1866), chemist.
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