conic sectionn. 圓錐截面學術名詞圓錐截痕:數學、高中數學、人體解剖學圓錐曲線:測量學、氣象學錐形斷面:航空太空、機械工程圓錐斷面:測量學錐形剖面:機械工程英文釋義(geometry) a curve generated by the intersection of a plane and a circular cone