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单词 elliptic paraboloid
释义

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elliptic paraboloid
elliptic paraboloid n. a paraboloid having elliptic cross-sections.
ΚΠ
1842 Penny Cycl. XXIII. 304/2 For the elliptic paraboloid, let a parabola revolve about its principal axis, and let the circular sections become ellipses.
1993 College Math. Jrnl. 24 244 The graph..of this function is an elliptic paraboloid opening upward.
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