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照片档案同其它文字档案一样,是历史记录。它能形象地记录事物发展的一瞬间,这是文字档案不能达到的。但照片档案又有其制成材料特
Photo files, like other text files, are historical records. It can vividly record the development of things for a moment, which is not achieved by the text file. But the photo file has its own special material