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optical | light output ratio
 light output ratio
el. valaisimen käyttöhyötysuhde

to phrases
 English thesaurus
optical ['ɔptɪk(ə)l] abbr.
abbr. o
abbr., adv. optical effect
abbr., polym. opt.
optical: 134 phrases in 15 subjects
Antennas and waveguides19
Chemistry1
Communications1
Electronics12
General3
Immigration and citizenship1
Industry6
Information technology16
Lighting other than cinema8
Microsoft2
Natural sciences1
Patents57
Physical sciences2
Technology2
Transport3