vhf omnidirectional radio range 甚高频全向信标 ; 全向信标台 ; 极高频终端全向导航台 ; 极高频全向导航台

omnidirectional radio range 全向无线电范围 ; 全向无线电导航 ; 全向无线电测距

Phase-shift Omnidirectional Radio Range 位移式多向导航台

very-high-frequency omnidirectional radio range 甚高频全向无线电信标

terminal VHF omnidirectional radio range 极高频终端全向导航台

frequency omnidirectional radio range 甚高频全向无线电信标