替代存储是这样一套设备，通常被用来低成本且有效的存储数据仓库数据，同时能够探测和访问那些必要但是低访问率的数据仓库数据。
Alternative Storage is the set of devices used to cost-effectively store data warehouse and exploration warehouse data that is needed but not frequently accessed.
论文利用基于业务维生命周期的螺旋式开发方法来开发设备管理数据仓库系统。
The paper utilizes spiral development method based on business dimensional lifecycle to develop data warehouse system for equipment management.
论文利用基于业务维生命周期的螺旋式开发方法来开发设备管理数据仓库系统。
The paper utilizes spiral development method based on business dimensional lifecycle to develop data warehouse system for equipment management.
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