“ionospheric propagation”的概念、定义、翻译、参考文献-科学参考

单词	ionospheric propagation
释义	ionospheric propagation [´ī´än·ǝ`sfir·ik ´präp·ǝ`gā·shǝn] ^{COMMUNICATIONS} Propagation of radio waves over long distances by reflection from the ionosphere, useful at frequencies up to about 25 megahertz.
随便看	Spumellina spun glass spun rayon spun silk spun yarn spur spur blight spur dike spur gear spurious correlation spurious disk spurious emission spurious modulation spurious radiation spurious response spur pile spurrite spurt tone sputtering sputter-ion pump sputum sp vol Spörer minimum Spörer's law sq

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