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background counting
радиоакт. comptage de fond (by a radiation detector)
background counts
tech. comptage parasite; impulsions de fond
радиоакт. compte de fond (in а radiation detector)
background count
tech. effet parasite de fond
радиоакт. coup de fond (in а radiation detector)
background counting
: 11 phrases in 3 subjects
Measuring instruments1
Nuclear physics1
Радиоактивное излучение9