现代物理学奠基人艾伯特·爱因斯坦的一份珍贵手稿日前在荷兰莱顿大学洛仑兹理论物理研究院的档案文件中被发现，这份原稿记录着爱因斯坦于1925年发表的一个重要理论。

The original manuscript of a paper Albert Einstein published in 1925 has been found in the archives of Leiden University's Lorentz Institute for Theoretical Physics, scholars said Saturday.

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因此，必须要对档案特别是那些珍贵的和已经有褪化迹象的档案进行安全保护。

Therefore, the file, especially the valuable files, and those who already have signs of fading must be given security protection.

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特色馆藏档案具有特殊、珍贵、多样、利用广泛等特点。

Special collection archives are rare, diverse, using a wide range and so on.

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