“sky wave propagation for low frequency”的概念、定义、翻译、参考文献-科学参考

单词	sky wave propagation for low frequency
释义	sky wave propagation for low frequency Encyclopedia 工学电离层电波传播释 sky wave propagation for low frequency低频天波传播地面发射的频率为30～300千赫的无线电波，经电离层反射再回到地面的传播方式。
随便看	tribosublimation tribo test tribox tribrach tribrachial flame tribromophenol Tribune of Folk Literature tribuni tributary tributary order Tributary trade tribute and taxes of Aboriginal Office Tribute Candidates tribute grains paid by military-agricultural settlements Tribute Paper by Cao Yin Tribute Systems of Royal Family of Ming Dynasty tribute tea tributyl phosphate tributyl phosphate mineral processing reagent tributyl phosphate (TBP) tributyrin tricalcium phosphate tricaprylin tricarbocyanine dye tricarboxylic acid

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