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电离层超短波和微波传播
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电离层超短波和微波传播
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理学
电离层超短波和微波传播
释
propagation of ultra short wave and microwave in the ionosphere
电离层超短波和微波传播
超短波的频率范围从30~300兆赫,300兆赫以上为微波波段。这两个波段的无线电波都将穿透电离层传播。
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ecosphere
ecostratigraphic framework
ecostratigraphy
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Ecosystem and Relict Cultural Landscape of Lopé-Okanda
ecosystem assessment
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ecosystem-based aquaculture management
ecosystem-based fishery management
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ecosystem boundary
ecosystem chemical information
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ecosystem degradation
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