Density is a logarithmic unit that describes the ratio between light hitting the film and light being transmitted through the film.
密度是一个对数单位,介绍了光线击中通过电影传播电影和光线之间的比例。
Density is a logarithmic unit that describes the ratio between light hitting the film and light being transmitted through the film.
密度是一个对数单位,介绍了光线击中通过电影传播电影和光线之间的比例。
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