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background radiation
radiol. バックグラウンド放射
n background radiation | n
gen. バックグラウンド放射線 (bakku-guraundo-hōshasen); 自然放射線; 背景放射
 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: 1 phrase in 1 subject
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