| 摘要 |
PROBLEM TO BE SOLVED: To make a change of illumination easily understandable. SOLUTION: This color combination lighting system is lighting characterized by having a plurality of light sources. A luminaire 1 indicates light sources 2-4. The three light sources respectively have one of three primary colors of light, and clear differences between illumination by the three light sources, and by one or two of the three light sources are made. Different material used for each of the light sources can prevent the three light sources from failing to use simultaneously.
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