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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。
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subsurface explosion
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subsurface modeling
subsurface radio wave propagation
subsurface river
subsurface runoff
subsurface voidage volume
subsurface waterlogging damage
subsurface water mass
subsymmetric
subsynchronism
subsynchronous
subsynchronous resonance
subsynchronous rotation
subsystem
subsystem method
subtable
subtabulation
subtangent
subtelocentric chromosome
subtend
subtended angle
subtended arc
subtending leaf
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