| 单词 | radio wave |
| 释义 | > as lemmasradio wave radio wave n. an electromagnetic wave of the kind used for radio; a radio-frequency wave (cf. radio frequency n. Compounds); frequently in plural. ΘΚΠ the world > matter > physics > electromagnetic radiation > radio wave > [noun] radio wave1915 radio energy1919 society > communication > telecommunication > radio communications > [noun] > radio wave electric ray1746 wireless wave1901 radio wave1915 1915 Cook County (Illinois) Herald 19 Mar. 7/4 (heading) Earth catches radio wave. Experiments demonstrate that aerial antennae are not needed to transmit wireless messages. 1942 J. B. Hoag Basic Radio xxxiv. 288 At certain airports, a radio wave is transmitted..to provide a glider path for ‘blind’ or instrument landing. 1991 S. J. Gould Bully for Brontosaurus xxiv. 493 Probes have now mapped the Venusian surface with radio waves that can penetrate the clouds. 2006 A. Davies Goodbye Lemon i. 42 I hold the keyless entry remote high above my head..as if the radio waves might spill out groundward in the manner of water from a cup. < as lemmas |
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