系统支持MDX（多维表达式）查询，对多个维度的数据的访问更为简单和直观。
The System is supporting MDX search, which make operation on multi-dimension data easier and more direct.
将属性和度量转换为SQL表达式，这些表达式用来构造对多维数据集模型进行查询的sql语句。
Convert the attributes and measures into SQL expressions, which are used to construct the SQL statement to query the cube model.
用路径积分方法得到了有限温度下多维量子裂变速率的表达式。
The expression of quantum correction of the multidimensional fission rate at finite temperature is obtained by a path integral method.
返回这样的维度，该维度在多维数据集中的以零为基的位置是由数值表达式指定的。
Returns the dimension whose zero-based position within the cube is specified by a numeric expression.
返回在另外一个指定的多维数据集上对字符串表达式求得的值。
Returns a value of a string expression evaluated over another specified cube.
返回在另外一个指定的多维数据集上对字符串表达式求得的值。
Returns a value of a string expression evaluated over another specified cube.
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