Originally (Photography): the gradient of the straight-line portion of the characteristic curve of a photographic emulsion, taken as measuring the…
| 单词 | θ197366 | 
| 释义 | society > communication > broadcasting > television > visual element > 			[noun]		 > television picture or image > tone differentiation > measure of (1)		 gamma1937 Originally (Photography): the gradient of the straight-line portion of the characteristic curve of a photographic emulsion, taken as measuring the… | 
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