近四分之三世纪以来,纽约公共图书馆目录室里沉重的橡木目录柜和霉烂、折角的目录卡片一直是无数专家学者与学生追求知识的导引。然而,今年一月,卡片目录排完了它的最后一张记有书名、著者与书号的款目后,不再增加。作为该馆四千五百万美元翻建规划的一部分,目录室已经实现了计算机化。它的八千九百七十三个目录抽屉和一千万张目录卡片已被一个中心数据库和五十台低平面终端所代替。检索图书时,读者只要在终端的键盘上打进一书的题目或标题, For nearly three quarters of a century, the heavy oak cabinets in the New York Public Library catalog, as well as rotten and angled catalog cards, have long been the subject of countless expert scholars and students seeking knowledge. However, in January this year, the card catalog finished its last book bearing the title, author and title no longer increases. As part of its $ 45 million renovation program, the catalog room has been computerized. Its 8,973 catalog drawers and 10 million catalog cards have been replaced by a central database and fifty low-plane terminals. When retrieving a book, the reader only needs to type a title or title of a book on the keyboard of the terminal,