Thus we normally don't perform calculations within a data cube.
因此，通常不需要在数据立方体中进行计算。
The computation of data CUBE is necessary but high cost in data warehouse.
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。
Data cube computation is a well-known expensive operation and has been studied extensively.
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.
数据立方计算是代价非常大的操作，并且被广泛研究。
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