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超短波电离层传播
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超短波电离层传播
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超短波电离层传播
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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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brothers
Brothers Are Like Branches and Leaves
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Brouwer fixed-point theorem
Brouwerian algebra
Brouwerian lattice
Brouwerian semigroup
Brouwer mapping theorem
Brouwer-Poincaré theorem
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