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ionospheric propagation of ultrashort wave
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ionospheric propagation of ultrashort wave
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工学
超短波电离层传播
释
ionospheric propagation of ultrashort wave
超短波电离层传播
波长为10~1米(相应频率为30~300兆赫)的无线电波经电离层的传播。
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Mare Insularum
marek’s disease
Marek’s disease virus,MDV
mare-like plain
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mare milk
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mareogram
mareograph
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mare's tail
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