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.
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.
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.
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