Terms for subject Air defense containing flat

English	Chinese
flat amplifier	平坦放大器
flat characteristics	平顶特性
flat frequency response	平坦频率响应
flat-headed antenna	平头波束天线
flat pass	平坦通带
flat reflecting surface	平反射面
flat reflector	平面反射器
flat-top antenna	平顶天线
flat-top decline	平顶降落
flat-topped signal	平顶信号