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luminous efficiency
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astr.
coefficient de visibilité d'une radiation
;
efficacité lumineuse
;
pouvoir émissif
earth.sc., el.
efficacité lumineuse relative
med.appl.
coefficient d'efficacité lumineuse
;
rendement de lumière
;
rendement lumineux
luminous efficiency
:
3 phrases
in 2 subjects
Astronomy
1
Electronics
2
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