解释多维阵列的观念、其与阵列的阵列之差异，以及使用方式。
Explains the concept of multidimensional arrays, how they differ from arrays of arrays, and how to use them.
ROLAP数据立方体是按关系表格的集合实现的(最多可达维度数目的两倍)，来代替多维阵列。
The ROLAP data cube is implemented as a collection of relational tables (up to twice as many as the number of dimensions) instead of as a multidimensional array.
由于数据立方体是一个非常有用的解释工具，所以大多数OLAP产品都围绕着按多维阵列建立立方模型这样一个结构编制。
Since data cubes are such a useful interpretation tool, most OLAP products are built around a structure in which the cube is modeled as a multidimensional array.
如果该阵列为多维的。
阵列必须可以包含字串，且不可为多维。
The array must be able to contain strings and cannot be multidimensional.
阵列必须可以包含字串，且不可为多维。
The array must be able to contain strings and cannot be multidimensional.
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