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二次曲线
èr​cì​qū​xiàn

conic

Origin Definitions Defs Strokes Stroke Words Sentences Sents
  • created sense approved 二次曲线/二次曲線 · èr​cì​qū​xiàn · conic 2026/03/04

    二次曲线 / 二次曲線

    èr​cì​qū​xiàn

    conic

    a quadratic curve or conic section in geometry, such as a circle, ellipse, parabola, or hyperbola

    圆、椭圆、双曲线和抛物线都是二次曲线。

    created sense Mar 4, 2026, 02:25 AM

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