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to phrases
mouvement propre
gen. proper motion
anal.chem. background (of a device)
earth.sc. background effect
el. background
радиоакт. background effect (of а radiation meter)
mouvement propre
: 23 phrases in 9 subjects
Astronomy6
Finances1
General2
High energy physics2
Measuring instruments1
Natural resourses and wildlife conservation1
Natural sciences1
Nuclear physics2
Радиоактивное излучение7