检索到 1 条 主题词=Telecommunication 主题=radio frequency allocation 的结果
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西文图书1.Spectrum management : using the airwaves for maximum social and economic benefit / F407.63/BC1
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可借复本：0 Martin Cave, Imperial College Business School and the Competition and Markets Authority, William...
Cambridge University Press, is part of the University of Cambridge, c2015
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