结合ISO 7816系列标准和RSA实验室系列标准，本文给出了一个通用的WIM智能卡目录文件系统，实现了对各种对象实例文件的存储。

This article presents a general directory file system model of WIM enabled IC card. This file system, compatible with both ISO7816 series and RSA series, implements object instances storing.

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这类方法延续到了20世纪，只不过已经演变为图书馆馆员在书目资料输入计算机系统里之前用来记录书名、著者、主题等等项目的目录卡。

The idea survived into the 20th century in the shape of the little catalogue cards librarians used to note down a book’s title, author, subject and so on before the records were moved onto computers.

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新闻记者为方便参考，将资料的目录卡放在桌上。

Reference The journalist kept a card file of information on his desk for easy reference.

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