absolute light threshold
retinal light threshold
Threshold of light intensity for flower initiation
Threshold of light intensity for landacape ornamental
light-light transfer efficiency
lightweight Light-Expansion Concrete
White Light Light-Emitting Diode
anti-visible light and infrared light
breakdown light {NUC light}
digital light processing DLP light source
high light efficiency light source
light draft [= light draught]
light output characteristic and the light distribution
Light-emitting diode curing light
light-emitting diode LED light source
Light-Exposure and Light-and-Water-Exposure Apparatus