数据立方体是二维表格的多维扩展，如同几何学中立方体是正方形的三维扩展一样。
Data cubes are multidimensional extensions of 2-d tables, just as in geometry a cube is a three-dimensional extension of a square.
数据立方体是二维表格的多维扩展，如同几何学中立方体是正方形的三维扩展一样。
Data cubes are multidimensional extensions of 2-d tables, just as in geometry a cube is a three-dimensional extension of a square.
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