N a horn for the radiation of acoustic or high-frequency electromagnetic waves, of which the cross-sectional area increases exponentially with the length 指数曲线形喇叭
exponential-horn loudspeaker指数号筒扬声器
Exponential E horn tweeter指数型高音号角扬声器
Exponential u horn tweeter指数型高音号角扬声器
ultrasonic exponential solid horn超声变幅杆
Exponential horn tweeter指数型高音号角扬声器;指数型高音号角
inverted exponential horn倒置型指数式喇叭
Large dimension exponential horn大尺寸指数变幅杆
exponential type ultrasonic horn指数型变幅杆
N（名词） a horn for the radiation of acoustic or high-frequency electromagnetic waves, of which the cross-sectional area increases exponentially with the length 指数曲线形喇叭