| 释义 |
DEFINITIVE EXAMPLES 权威例句〔dish antenna〕A microwave transmitter or receiver consisting of a concave parabolic reflector.截抛物面天线：一种由凹形的抛物面状的反射器构成的微波发射器或接收器美国传统〔paraboloid〕A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.抛物面：一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面美国传统〔reflector〕The parabolic reflector of a searchlight gives a parallel beam.探照灯的抛物面反射镜发出平行光束。英汉大词典〔sun lamp〕A high-intensity lamp with parabolic mirrors, used in photography.强光照明灯：装有抛物面反光镜的强光照明灯，拍摄时使用美国传统 |