Read Edit View history 圆锥曲线 yuánzhuīqūxiàn conic section Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 圆锥曲线/圓錐曲線 · yuánzhuīqūxiàn · conic section 2026/03/04 圆锥曲线 / 圓錐曲線 yuánzhuīqūxiàn conic section conic section 椭圆是一种常见的圆锥曲线。 created sense Mar 4, 2026, 02:25 AM