(a) North American Nautical = range light n.; (b) Aeronautics a radio beacon transmitting directional signals which can be used by aircraft to…
| 单词 | θ206937 |
| 释义 | society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > radio beam or beacon > navigational radio beacon (3) range beacon1852 (a) North American Nautical = range light n.; (b) Aeronautics a radio beacon transmitting directional signals which can be used by aircraft to… radiophare1912 A navigational radio beacon. radio range1929 Aeronautics. A radio beacon transmitting directional radio signals which can be used by aircraft to determine the bearing of the transmitter. |
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