On the basis of a discussion on the basic strategy for building the education data warehouse, a study in depth is made of designing education data warehouse system.
在讨论建立教育数据仓库基本策略的基础上，深入探讨了教育领域的数据仓库系统设计问题。
After analyzing the characteristic of the load of the air conditioner system, it is presented the basic control strategy on how to realize the air conditioner with frequency conversion.
文章在分析铁路客车变频调速系统各部分负载特点的基础上，提出了实现铁路客车变频调速的基本控制方法。
Strategy and principle for establishing basic forest resource information system are given.
阐述了建立森林资源基础信息管理系统的原则和策略。
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