“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	NASA进排气组 NASCAR nascent nascent peptide folding nascent reagent NASDAQ Stock Price Indexes Nash Nash bargaining Nash bargaining solution Nash embedding theorem Nash equilibrium Nash equilibrium point Nasher Museum of Art at Duke University Nash inequality Nashira Nash theorem Nashu Studio Theatrical Music Nashville Nasich brocade Nasij Nasir Nasir al-Din al-Assad Nasir al-Din al-Tusi Nasir al-Din al-Tūsi Nasir al-Dīn al-Tūsī

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