| 单词 | 直立圆锥 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔cone〕A right circular cone.直立圆锥美国传统〔parabola〕A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the cone.抛物线：一个直立圆锥和平行于该锥体中轴的平面相交形成的平面曲线美国传统〔right circular cone〕The surface generated by a generator passing through a vertex that lies on the perpendicular axis of a circular directrix.直立圆锥：由生成线穿过位于环形准线的垂直轴而生成的表面美国传统 |
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