英语词汇“radio window”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	radio window
释义	radio window noun Astronomy. the range of wavelengths at which the earth's atmosphere is transparent to radio waves. Words nearby radio window radio tube, radio valve, radiovision, radio wave, radio waves, radio window, radisectomy, radish, Radisson, radium, radium A Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for radio window radio window noun a gap in ionospheric reflection that allows radio waves, with frequencies in the range 10 000 to 40 000 megahertz, to pass from or into space Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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radio window