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档案作用的长期性,广泛性与档案寿命的局限性是一对矛盾,要解决这一矛盾就要最大限度地延长档案的寿命。我们既要防止档案的宏观变化(即虫蛀霉烂),又要缓和微观变化(即纸张逐步老化,字迹褪变)。当前档案的自毁现象是严重的,危险正存在于微观的变化之中。虽然造成档案自然毁坏的因素是多方面的,但其中光是一个很重要的因素。如何防止光对档案的损害,是档案保护技术工作中的一项重要内容。
The long-term and extensive role of archives and the limitation of archival lifespan are a pair of contradictions. To resolve this contradiction, we must extend the life of the archives to the maximum extent possible. We must not only prevent macro changes (ie, rotten moths) of files but also mitigate micro-changes (ie, the gradual aging of paper and the fading of writing). The current file self-destruction phenomenon is serious, the danger is present in the micro changes. Although the factors that cause the natural destruction of the archives are many, the light is a very important factor. How to prevent the damage of light to the file is an important part of the file protection technology.