For the PS plate grain and light-sensitive coating abrasion, an experiment was designed based on factor design, which ensures the veracity of experiments.
针对印刷中砂目和感光层的磨损，采用因子设计法设计实验，保证了实验的准确性。
Because only a small fraction of light reflects off the coating, the human eye and sensitive detectors see the material as black.
因为只有极小部分的光线能够反射出涂层，因此肉眼和灵敏的探测仪所观察到的这种材料依旧是黑色的。
In photography, the essential light sensitive coating on photographic film comprising gelatine and silver salts.
在照相技术中，覆盖在照相底片上的由胶和银盐组成的感光物质。
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