• Density is a logarithmic unit that describes the ratio between light hitting the film and light being transmitted through the film.

    密度一个对数单位介绍光线击中通过电影传播电影光线之间比例

    youdao

  • Density is a logarithmic unit that describes the ratio between light hitting the film and light being transmitted through the film.

    密度一个对数单位介绍光线击中通过电影传播电影光线之间比例

    youdao

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