omnidirectional rangeˌɔmnidiˈrekʃənlreindʒ 基本英英近义反义 全向无线电信标,全向导航 Noun: a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing近义词omnirange多向导航系统…omnidirectional radio range全向无线电信标…