数据立方体还可以用其他的方法构建。
因此，通常不需要在数据立方体中进行计算。
Thus we normally don't perform calculations within a data cube.
数据立方计算是代价非常大的操作，并且被广泛研究。
Data cube computation is a well-known expensive operation and has been studied extensively.
数据立方的计算在数据仓库中是非常必要但代价很大的操作。
The computation of data CUBE is necessary but high cost in data warehouse.
这需要中介以中立方式访问消息数据。
This requires a way for a mediation to access message data in a neutral fashion.
详细讨论了数据库和规则库的建立方法以及推理机。
Data base, rule base and reasoning machine are discussed in detail.
研究了灾害损失评估数据库和模型的建立方法。
The construction of loss evaluation database and its model is researched in this paper.
论述了国家森林资源连续清查（简称连清）成果数据库管理系统的建立方法。
This article presents a description on establishment of the national forest inventory database management system.
最后讨论了项目数据库的建立方法。
In the end it discusses the construction method of the project database.
最后讨论了项目数据库的建立方法。
In the end it discusses the construction method of the project database.
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