短語詞組短語quadric rotational surface 二次旋轉(zhuǎn)曲面Quadric rvler surface 二次直紋曲面Quadric ruled surface 二次直紋面quadric conical surface 二次錐面quadric cylinder surface 二次柱面quadric curved surface fitting 二次曲面擬合quadric surface fitting 二次曲面擬合parametric quadric surface 二次參數(shù)曲面nonsingular quadric surface [數(shù)]滿秩二次曲面 返回 quadric surface