单词 | radio range |
释义 | radio range/ˈreɪdɪəʊ ˌreɪn(d)ʒ/noun 1The distance or area within which reception of a radio signal or broadcast is possible. 2The part of the electromagnetic spectrum comprising radio waves; the radio spectrum. 3 Aeronautics. A radio beacon transmitting directional radio signals which can be used by aircraft to determine the bearing of the transmitter. OriginEarly 20th century; earliest use found in The Syracuse Herald. From radio + range. |
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