| 单词 | range beacon |
| 释义 | > as lemmasrange beacon range beacon n. (a) North American Nautical = range light n.; (b) Aeronautics a radio beacon transmitting directional signals which can be used by aircraft to determine the bearing and distance of the beacon. ΘΚΠ the mind > attention and judgement > discovery > instrument for detection > [noun] > radar system > apparatus used in > transmitter range beacon1852 radar beacon1945 society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > radio beam or beacon > navigational radio beacon range beacon1852 radiophare1912 radio range1929 1852 Green Bay (Wisconsin) Spectator 10 Oct. 1/50 Two range beacon lights for the Swash channel of the harbor of New York. 1857 U.S. Naut. Mag. & Naval Jrnl. 6 476 The middle of the new range beacon..correctly marks the deepest water in the main ship channel. 1930 Science 30 May Suppl. p. xiv. This visual radio range beacon to be installed during the next few weeks will supplement the aural type radio range beacon... The aviator tells whether he is on the white path by watching two white reeds vibrate. If the reed on the left vibrates most, he has veered off to the left of his course. 1935 C. G. Burge Compl. Bk. Aviation 503/1 The pilot approaching the aerodrome along the route marked by range beacons is advised of the locality of the 'drome by first an approach marker beacon and secondly by a boundary marker beacon. 1991 Sci. Amer. July 82/1 Flight in the older Boeing 727s or DC-9s..consists of a series of hops between radio transmitters—very high frequency omnidirectional range beacons, or VORs. 1997 Atlanta Jrnl.-Constit. (Nexis) 12 Jan. 4 d (caption) The range beacon for the chipped away Sapelo Island. < as lemmas |
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