“大气折射与电波传播延迟”的概念、定义、翻译、参考文献-科学参考

单词	大气折射与电波传播延迟
释义	大气折射与电波传播延迟 Encyclopedia 理学大气折射与电波传播延迟释 atmospheric refraction and radio wave propagation delay大气折射与电波传播延迟地球大气是空间分布不均匀、且存在时变特性的非色散介质，电磁波可以透过大气传播。电波通过空气的传播过程中，空气的中性成分在传输路径上的密度沿路径发生变化，不同的密度对应折射本领不同，使得电波传播速度低于真空中传播速度、且传播方向发生偏折。
随便看	rock stress relaxation rock structural plane creep experiments rock structural plane mechanical properties experiments rock structural plane normal deformation experiment rock structural plane shear deformation experiment rock structural plane shear strength experiment rock style rock swelling test rock tensile strength rock thin section rock triaxial compression experiment rock triaxial compressive strength experiment rock triaxial experiment rock tunnel boring machine rock tunnel boring machine method rock underground engineering design rock underground engineering disasters rock uniaxial and biaxial experiment rock uniaxial compressive experiment rock uniaxial compressive strength experiment rock uniaxial tensile strength experiment rock-water interaction Rockwell hardness rockwell hardness tester Rockwell Kent

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