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background radiation
radiol. إشعاع خلفي
background radiation Radiation resulting from natural sources, as opposed to man-made sources, and to which people are exposed in everyday, normal life; for example from rocks and soil
environ. الإشعاعات الخلفية
 English thesaurus
background radiation
mil., logist. Nuclear or ionizing radiations arising from within the body itself or from the environment to which individuals are constantly exposed. (FRA)
background radiation: 1 phrase in 1 subject
Remote sensing1