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电离层电波传播预报
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电离层电波传播预报
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工学
短波传播
释
prediction of ionospheric radio wave propagation
电离层电波传播预报
根据电离层特性参量的时空变化规律和通信质量与电离层信道参数的关系,在电离层探测历史资料或实时测量资料的基础上,对高频传输电路的未来最佳工作条件和工作质量做出的预先推断。
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potassium-sodium exchange
potassium sorbate
potassium sulfate
potassium thiocyanate
potassium titanyl phosphate crystal
Potato
potato
potato bacterial wilt
potato black leg
potato common scab
potato crop
potato dextrose agar
potato golden nematode
potato harvester
potato late blight
potato leafroll virus disease
potato paradox
potato planter
potato processing
potato ring rot
potato ring rot pathogen
potato root knot nematode disease
potato school
potato seed cutting machine
potato snack foods
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