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Terms
for subject
Optics
branch of physics
containing
Wirkungsgrad
|
all forms
German
Russian
Leuchten-
Wirkungsgrad
коэффициент полезного действия светильника
optischer
Wirkungsgrad
оптический кпд излучения
visueller
Wirkungsgrad
отношение светового потока к лучистому потоку источника излучения
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