“high-frequency backscattering”的概念、定义、翻译、参考文献-科学参考

单词	high-frequency backscattering
释义	high-frequency backscattering Encyclopedia 工学短波传播释 high-frequency backscattering高频返回散射斜向入射到电离层的高频段（3～30兆赫）无线电波，经电离层反射（可能多次）后因地面地形不平坦和电气不均匀性而向四面八方散射的现象。其中一小部分电波能量沿相反方向（路径可与以前相同或不同），由电离层反射折回到地面电波发射点。
随便看	Maxwell-Boltzmann equation Maxwell Boltzmann statistics Maxwell-Boltzmann statistics [Maxwell-]Boltzmann statistics Maxwell bridge Maxwell color triangle Maxwell convention Maxwell crater Maxwell demon Maxwell distribution Maxwell distribution function of velocity Maxwell distribution law Maxwell distribution law of velocity Maxwell drawing diagram method Maxwell electrodynamics Maxwell electromagnetic field Maxwell equal area rule Maxwell equation Maxwell equations Maxwell equations for moving media Maxwell equations for static media Maxwell equations in vacuum Maxwell field equation Maxwell fish-eye Maxwell fluid

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