【电】 无线电测向台radio direction-finding station
测向罗盘direction-finding compass
定向寻找系统direction-finding system【电子】
测向天线direction-finding antenna【电】信
测向仪direction-finding apparatus
测向接收机direction-finding receiver
测向问题direction-finding problem【电子】
测向系统direction-finding system【电子】