“earth-ionosphere waveguide radio wave propagation”的概念、定义、翻译、参考文献-科学参考

单词	earth-ionosphere waveguide radio wave propagation
释义	earth-ionosphere waveguide radio wave propagation Encyclopedia 工学电离层电波传播释 earth-ionosphere waveguide radio wave propagation地-电离层波导电波传播地表层与低电离层（白天为D层，夜间为E层下部）所构成的同心球壳空间，以类似于微波平行金属板波导的机理，引导甚低频（3～30千赫）和极低频(0.3～3千赫)电波进行远距离直至全球范围的传播。
随便看	noiselessness noise level noise limit for household appliance noise limit for industrial equipment noise limit for means of conveyance noise limit for moving machiney noise limit for vehicle interior and station platform noise logging noise management noise map noise mapping noise margin noise masking noise noise masking tone noise model noise monitoring noise of aircraft noise of blasting noise of electron tube noise of film & television scene noise of internal combustion engine noise of nuclear power plant Noise Pollution Control noise pollution map noise pollution monitoring

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