“polar”的概念、定义、翻译、参考文献-科学参考

单词	polar
释义	polar [`pō·lǝr] ^ASTRONOMY A member of a class of cataclysmic variable stars whose light displays strong circular polarization. Also known as AM Herculis star. ^MATHEMATICS 1. For a conic section, the polar of a point is the line that passes through the points of contact of the two tangents drawn to the conic from the point. 2. For a quadric surface, the polar of a point is the plane that passes through the curve which is the locus of the points of contact of the tangents drawn to the surface from the point. 3. For a quadric surface, the polar of a line is the line of intersection of the planes which are tangent to the surface at its points of intersection with the original line.
随便看	Cauchy formula Cauchy frequency distribution Cauchy-Hadamard theorem Cauchy horizon Cauchy inequality Cauchy integral formula Cauchy integral test Cauchy integral theorem Cauchy mean Cauchy mean-value theorem Cauchy number Cauchy principal value Cauchy problem Cauchy product Cauchy radical test Cauchy ratio test Cauchy relations Cauchy residue theorem Cauchy-Riemann equations Cauchy-Schwarz inequality Cauchy sequence Cauchy's mean-value theorem Cauchy's test for convergence Cauchy surface Cauchy transcendental equation

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