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单词 θ99191
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the world > space > shape > curvature > curved three-dimensional shape or body > [noun] > solid of revolution having conic section (2)
conoida1664

Geometry. A solid generated by the revolution of a conic section about its axis; a conicoid of revolution (esp. a paraboloid or hyperboloid, the…

paraboloid1677

A solid or surface whose cross sections in two mutually perpendicular directions are parabolas and those in the third are either ellipses…

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更新时间:2025/1/3 21:03:27