【摘要】 文章根据目前数字图书馆建设中电子数据的类型、容量、更新频率等因素,探讨对电子数据进行备份的策略、模式、类型以及结构,以便图书馆建立适当的备份机制。更多还原

【Abstract】 Based on kinds,capacity,update frequencies of digital datum in digital library systems,the article provides a detailed analysis on policy,technology,model,basic instruction of datum backup for digital library systems in order to construct a novel architecture of reliable datum backup.更多还原