在感光测定中，一般都用图解的方法从感光特性曲线上求出感光度、反差系数等特性数值。

In sensitometry, the characteristic values of sensitivity and contrast coefficient are generally, obtained from photographic characteristic curve graphically.

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在感光测定中，一般都用图解的方法从感光特性曲线上求出感光度、反差系数等特性数值。

In sensitometry, the characteristic values of sensitivity and contrast coefficient are generally, obtained from photographic characteristic curve graphically.

youdao