In photography, the essential light sensitive coating on photographic film comprising gelatine and silversalts.
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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Normal silversalts salts color photos can be kept for more than 30 years whereas inkjet printed photos can be only kept for half to one year, no matter they are printed with dye ink or pigment ink.