| 单词 | luminance |
| 释义 | lu·mi·nance 1. 2. < as the word reflectance refers to the effective physical reflectance of a surface for a given quality of light, so the word luminance refers to the effectiveness of a given light on the eye, regardless of its origin — R.M.Evans > < the photographic quantities that are of interest to the photographer are luminance of the object photographed and illuminance of the sensitive plate or film — A.R.Greenleaf > |
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