“radio wave propagation in tropospheric radio duct”的概念、定义、翻译、参考文献-科学参考

单词	radio wave propagation in tropospheric radio duct
释义	radio wave propagation in tropospheric radio duct Encyclopedia 工学对流层电波传播释 radio wave propagation in tropospheric radio duct对流层波导电波传播在某些气象条件下，对流层中可以形成具有一定强度和厚度的准水平大尺度层结，频率足够高的无线电波在适当的发射方向上，可在相当大的程度上进入其内，并如同在波导管中一样以异常低的衰减进行传播的现象。
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