omnidirectional radio range

1. EDM-height traversing Doppler very high frequency omnidirectional radio range and distance measuring equipment
   电子测距高程导线测量多普勒甚高频全向无线电信标及测距设备
2. Phase-shift omnidirectional radio range
   相移全向无线电指向标
3. Impacted by satellite navigation, VHF omnidirectional radio range ( VOR), being a necessary navigation facility, will have litter and litter important role in future navigation system and may be turned off.
   受卫星导航的冲击，甚高频全向信标（VOR）在未来航行系统中将失去它的重要地位，最终可能关闭。

noun

1. a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing

   Synonym:    omnirangeomnidirectional range