hyperboloid
/hahy-pur-buh-loid/US // haɪˈpɜr bəˌlɔɪd //UK // (haɪˈpɜːbəˌlɔɪd) //
双曲线体,双曲线形,双曲体,双曲线型
Definitions
n.名词 noun
- 1
Mathematics.
- : a quadric surface having a finite center and some of its plane sections hyperbolas. Equation: x2/a2 + y2/b2 − z2/c2 = 1.
Examples
At the top it is gathered into a dome in the form of a hyperboloid, pierced near the vertex with an aperture 12 feet in diameter.
In the first case the surface is called an Hyperboloid of one sheet, in the second an Hyperbolic Paraboloid.
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