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Terms for subject Lighting (other than cinema) (856 entries)
上半球光束 upward flux (of a source)
下半球光束 downward flux (of a source)
下半球光束比 (照明器具の) downward flux fraction (of a luminaire)
下半球照明器具効率 downward light output ratio (of a luminaire)
不透過媒質 opaque medium
不快グレア discomfort glare
名目的光達距離 nominal range
導標 leading marks
導灯 leading lights
明るい light
明るさ luminosity
明暗灯 occulting light
透明媒質 transparent medium
透明ガラス球 clear bulb
透過光学濃度 transmittance (optical) density
透過濃度 transmittance (optical) density
耐圧防爆照明器具 flameproof luminaire
耐圧防爆照明器具 explosion-proof luminaire
演色 colour rendering
演色評価数 colour rendering index

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