| 单词 | radio signal |
| 释义 | > as lemmasradio signal radio signal n. a message communicated by radio; a group of radio waves transmitted or emitted by a source and potentially detectable. ΘΚΠ society > communication > telecommunication > radio communications > [noun] > signal radio signal1912 1912 Congress. Rec. 8 Aug. 10502/2 These signals mentioned in the bill mean radio signals. 1913 N.Y. Times 23 Mar. 1/2 Faint radio signals were received today from the Eiffel Tower station in Paris by the Arlington station here, but there were no coherent messages. 1937 Discovery Jan. 3/2 Radio signals can travel round the world and not be lost in space as would be the case if the ionosphere did not exist. 1969 Times 16 Jan. 4/7 Measurements of the radio signals from sulphur hydride may be a valuable check of estimates of the amount of sulphur in interstellar space. 2002 K. Warwick I, Cyborg v. 63 The RFID would..send a unique identifying coded radio signal to the computer every time it passed through any doorways with the large coils of wire in place. < as lemmas |
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