基本解釋圓錐曲線（等于conic）同根派生 conic section相關(guān)詞英漢例句雙語例句According to the fUndamental theorem of coniC In projective geometry any five points can decide one conic section.在射影幾何中，二次曲線定理告訴我們?nèi)我馕妩c可以決定一條二次曲線。Theory calculate and finite element method to symmetric conic-section flexure hinges is used to compare and analyze their dynamics characteristic.通過對四種二次曲線截面的柔性鉸鏈的理論計算和有限元分析，比較分析了它們的力學(xué)特性。By using transformation thought, this paper obtains the focus chord of all kinds of conic section through analyzing a sample in conic section teaching.利用變換思想，對圓錐曲線教學(xué)中的一道例題進(jìn)行分析，得出了各種圓錐曲線的焦點弦，并引伸其結(jié)論，將圓錐曲線的焦點弦變換為中心弦。conic section更多例句詞組短語短語degenerated conic section 降級錐曲線conic section更多詞組英英字典柯林斯英英字典 one of a group of curves formed by the intersection of a plane and a right circular cone. It is either a circle, ellipse, parabola, or hyperbola, depending on the eccentricity, e, which is constant for a particular curve e = 0 for a circle ee = 1 for a parabola e>1 for a hyperbola (Often shortened to conic)conic section劍橋字典conic section柯林斯字典專業(yè)釋義能源科學(xué)技術(shù)二次曲線土木建筑工程圓錐截線錐形斷面圓錐形截面錐形截線數(shù)學(xué)二次曲線圓錐截線圓錐曲鉝圓錐曲線圓錐曲二次曲測繪科學(xué)技術(shù)圓錐曲線錐形截線