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| план распределения радиочастот (Use of radio frequency bands of the electromagnetic spectrum is regulated by governments in most countries, in a Spectrum management process known as frequency allocation or spectrum allocation. WAD Alexander Demidov) | |||
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| план распределения радиочастот (Use of radio frequency bands of the electromagnetic spectrum is regulated by governments in most countries, in a Spectrum management process known as frequency allocation or spectrum allocation. WAD Alexander Demidov) | |||