“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	fluid friction fluid fuel reactor fluid geometry fluid hydroforming fluidic device fluidic flow sensor fluidic oscillator meter fluidics fluidic sensor fluid inclusion fluid injection fluidity fluidization fluidized adsorption fluidized bed fluidized-bed coating fluidized-bed combustion fluidized-bed reactor fluidized reactor fluid level fluid logic fluid-loss agent fluid-loss test fluid mechanics fluid meter

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