| 单词 | Tschirnhausen's cubic |
| 释义 | Tschirnhausen's cubic [`chǝrn´hau̇z·ǝnz `kyü·bik] MATHEMATICS A plane curve consisting of the envelope of the line through a variable point P on a parabola which is perpendicular to the line from the focus of the parabola to P. Also known as l'Hôpital's cubic; trisectrix of Catalan. |
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