单词 | hyperboloid |
释义 | hyperboloid [hī`pǝr·bǝ´lȯid] MATHEMATICS A quadric surface given by an equation of the form (x2/a2) ± (y2/b2) - (z2/c2) = 1; in certain cases it is a hyperboloid of revolution, which can be realized by rotating the pieces of a hyperbola about an appropriate axis. |
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