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оптический сигналstresses
mech.eng. voyant m
med.appl. signal signalisaton optique
meteorol. signal lumineux
nucl.phys., OHS signal visible
tech. avertisseur optique; indicateur optique; signal optique; signal visuel
оптический сигнал: 9 phrases in 6 subjects
Automated equipment2
Computers1
General1
Medical appliances2
Radio2
Радиоактивное излучение1