发射仰角 launching elevation

高仰角入射天波 NVIS

辐射仰角 [电子] directivity angle

可变仰角射束天线 [电讯] variable elevation beam-antenna

射表仰角 [军] firing table elevation

仰角阶梯射击 elevation ladders

仰角反射特性曲线 elevation coverage diagram

喷射仰角 inclination of jet flow

常用喷射仰角 [农机] normal elevation angle of nozzle