Anglais | Allemand | |
---|---|---|
Lighting | ||
Lighting | light output ratio | Betriebswirkungsgrad [m] |
Anglais | Allemand | |
---|---|---|
Lighting | ||
Lighting | optical light output ratio | optischer Wirkungsgrad [m] |
Lighting | downward light output ratio | unterer Betriebswirkungsgrad [m] |