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ОВЧ, Очень высокая частота
radio waves in the range of 30 to 300 MHz that are used in broadcasting TV signals
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ВГФ, вирусная геморрагическая лихорадка
a group of illnesses caused by a viral infection (usually restricted to a specific geographic area); fever and gastrointestinal symptoms are followed by capillary hemorrhage
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