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Язык контента

Всего результатов для %te: %s

Radio waves
Electromagnetic waves
Microwaves
Allocation of frequencies, Antennas, Data processing, Radio engineering
Science > Physical sciences
موجات الراديو (ar), Onda de radio (es), Радиоволны (ru), Onde radio (fr)
http://vocabularies.unesco.org/thesaurus/concept2076