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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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rotational diffusion
rotational eigenfunction
rotational electrometer
rotational energy
rotational energy level
rotational entropy
rotational evolution
rotational family
rotational fault
rotational field
rotational flow
rotational flow impeller
rotational freedom degree
rotational grazing
rotational inclination
rotational inertia
rotational instability
rotational irrigation
rotational latency
rotational line
rotationally symmetric metric
rotational medium
rotational modeling
rotational modulation
rotational modulation collimator
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