单词 | standard illuminants |
释义 | standard illuminants [`stan·dǝrd i`lü·mǝ·nǝns] OPTICS Three standard sources of light, designated A, B, and C, used in specifying the light used when colors are matched; A is light from a filament at a color temperature of 2575°C, and B and C, representing noon sunlight and normal daylight respectively, are obtained by modifying A with rigorously specified filters. |
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