即使有正确的管理和有效的Web设计，维护各个网页中事件日历数据的各个副本也是一项花费大量时间和容易出错的任务。
Even with proper management and efficient Web design, maintaining separate copies of event calendar data on separate pages is a time-consuming and error-prone process.
环境控制的数码照片冲印店，包含专门设计的激光设备和光学，用于创建对象和模型的精确副本。
An environmentally controlled photo lab, containing laser equipment and specially designed optics, is used to create exact replicas of the objects and models.
GDSS副本管理设计了一种基于存储代理性能特征和用户特征的动态副本管理模型。
The replication management system of GDSS plus proposed a model based on the virtual organization (VO) consist of storage agents and the user characteristics.
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