“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	free embedding free end free ending free endpoint free endpoint variational problem free energy free energy criterion free energy landscape theory Free Energy of Activation free energy of solid free energy perturbation free energy profile free enthalpy free enthalpy criterion free entropy free entropy dimension free estimator free exciton free exercise of Summer Special Olympics free expansion free extension free face free factor free fall free fall absolute gravimeter

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