“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	channelpathy channel phenomenon channel plate channel plow channel point,meridional point Channel Power Channel Productivity channel protein channel qi channel regulation channel request channel scheduler channel service unit channel service unit, CSU channel specialization channel spin channel status word channel status word, CSW Channel Structure channel swimming channel time delay channeltron channel water from the Luohe River to Bianhe River channel waveguide channel wave operator

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