русский
электромагнитный спектр португальский
espectro eletromagnético испанский
espectro electromagnetico каталонский
espectre electromagnètic 
Entire range and scope of frequencies of electromagnetic radiation.
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They had 360-degree imaging systems that extended far into the electromagnetic spectrum.
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And we're picking up transmissions in various parts of the electromagnetic spectrum.
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Tarter: Historically we've been looking for signals in the electromagnetic spectrum.
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The electromagnetic spectrum covers radio waves, microwaves, visible light and radiation.
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We came to use the electromagnetic spectrum for our civilised communication, recently: mobile telephones.