| 单词 | hyperboloid |
| 释义 | hyperboloid —hyperboloidal, adj. /huy perr"beuh loyd'/, n. Math. a quadric surface having a finite center and some of its plane sections hyperbolas. Equation: x2/a2 + y2/b2 - z2/c2 = 1. [1720-30; HYPERBOL(A) + -OID] |
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