二次曲面反射镜
mirrors of second order surface
二次Bezier曲面
quadratic Bezier curve surface
二次曲面
conicoid
curved surface of second degree
quadric surface
Quadric
quadratic surface
Surface of degree 2
quadratic flank face
second camber
Aircraft domain
Quadric surfaces
quadaratic surface
skewed quadric surfaces
QUADRICS
charge moment ellipsoid
surface of second order
center conicoid
square surface
rotational conicoid
quadratic surfaces
Surface
二次曲面的二焦点弦
bifocal chord of a quadric
二次曲面的共轭直线
conjugate line in a quadric
二次曲面的极点
pole of a quadric surface
二次曲面的切线锥面
tangent cone of a quadric