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| 单词 | beam aerial |
| 释义 | > as lemmasbeam aerial beam aerial n. a directional aerial for transmitting a radio beam. ΘΚΠ society > communication > telecommunication > radio communications > radio equipment > [noun] > aerial radiator1897 aerial wire1899 aerial1902 antenna1902 loop antenna1906 loop aerial1913 twin aerial1913 frame aerial1916 loop1922 beam aerial1926 cage aerial1926 Adcock1928 dipole1929 V antenna1932 beam antenna1935 rig1935 horn1936 whip1940 whip aerial1941 whip antenna1943 polyrod1945 unipole1945 slot aerial1946 slot antenna1946 dish1948 quad1951 V aerial1961 dish aerial1962 rectenna1964 omni-antenna1966 monopole1974 1926 Gloss. Terms Electr. Engin. (B.S.I.) Beam Aerial System, a combination of aerials with their earthing, tuning and reflecting arrangements so disposed as to concentrate the available radiated energy into a beam. 1945 Electronic Engin. 17 719 Indicating the target by means of a rotating beam aerial. < as lemmas |
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