omnirangen. 全向導航系統全範圍學術名詞全向無線電信標：電機工程、電力工程全程：電機工程、電力工程全方向：電機工程、電力工程全向導標：測量學全向導航航線：航空太空英文釋義a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing