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电离层短波传播
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电离层短波传播
Encyclopedia
理学
电离层短波传播
释
propagation of short wave in the ionosphere
电离层短波传播
在3~30兆赫的短波范围内,实现电离层远距离(通信和广播)的传播。
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upper respiratory examination
upper respiratory tract infection
upper Riemann integral
upper right corner
upper right-hand derivative
upper semi continuity
upper semi-continuity
upper semicontinuity
upper semi continuous
upper semi-continuous
upper semicontinuous
upper semicontinuous decomposition
upper semicontinuous equivalence
upper semicontinuous function
upper semi continuous mapping
upper semi-continuous mapping
upper semicontinuous mapping
upper semicontinuous partition
upper semi-lattice
upper semi-modular lattice
upper semisphere
upper series
upper set
upper side frequency
Upper Silesia Coalfield
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