| 单词 | omnidirectional range |
| 释义 | omnidirectional range (once / 11819311 pages) n WORD FAMILY omnidirectional range n a navigational system consisting of a network of radio beacons that provide aircraft with information about exact position and bearing Syn|Hyper omnidirectional radio range, omnirange navigational system a system that provides information useful in determining the position and course of a ship or aircraft |
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