- cavity pyrheliometer
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полостной пиргелиометр
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Active cavity radiometer — electrically self calibrating, cavity pyrheliometer used to measure total and spectral solar irradiance.ee also*RadiationReferencesR. C. Willson, Solar total irradiance observations by Active Cavity Radiometers , Solar Physics, 74, 217 229, DOI10 … Wikipedia