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照片档案是一种感光载体，种类多，结构及成份也很复杂。照片档案的保护技术含量比较高，对保存环境的条件要求也较苛．刻，而我国绝大多数中小型档案馆及保存有照片的其他机构和家庭，或由于存放环境及技术方面的限制、或由于资金的匮乏，很难具备类似于大型档案馆那样优良的
Photo file is a photographic carrier, many types, structure and composition is also very complicated. Photo files protection technology is relatively high, the conditions for the preservation of the environment is also more demanding. However, most small and medium-sized archives in our country, other institutions and families that hold photographs, or because of the storage environment and technical constraints, or because of lack of funds, it is very difficult to have such an excellent