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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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更新时间:2024/11/11 15:23:46