“propagation of long and very long wave in the ionosphere”的概念、定义、翻译、参考文献-科学参考

单词	propagation of long and very long wave in the ionosphere
释义	propagation of long and very long wave in the ionosphere Encyclopedia 理学　　　电离层长波和超长波传播释 propagation of long and very long wave in the ionosphere电离层长波和超长波传播电离层中，频率范围3～30千赫的长波段和30～300千赫的超长波段的传播。
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