paraboloid eyepiece抛物面目镜
paraboloid method[数] 抛物面法
receiving paraboloid抛物面接收天线
cyclic paraboloid旋转抛物线面
equilibrium paraboloid平衡抛物线体
hyperbic paraboloid与抛物曲线形
paraboloid reflector抛物面反射镜
Paraboloid Geodesic抛物面测地线
N（名词） a geometric surface whose sections parallel to two coordinate planes are parabolic and whose sections parallel to the third plane are either elliptical or hyperbolic. Equations x²/a² ± y²/b² = 2cz 抛物面