Bleaching: (1) Chemical process on photographic materials, which converts the black metallic silver image into a colourless silver complex.
漂白：(1)照相材料的化学处理方法。它把黑色金属银粒的影像变成无色的银粒复合物。
Bleaching: (1) Chemical process on photographic materials, which converts the black metallic silver image into a colourless silver complex.
漂白：(1)照相材料的化学处理方法。它把黑色金属银粒的影像变成无色的银粒复合物。
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