The optimizer will recognize this index and use the filters on the dimension tables to generate a list of valid combinations of the dimension tables' keys into a temp table.
该优化器将可以识别出这个索引，在维度表上使用过滤器来在一个临时表中生成一个维度表键的有效组合列表。
2
Feature selection is a valid method to reduce the dimension of text vector in automatic text categorization system.
在自动文本分类系统中，特征选择是有效降低文本向量维数的一种方法。
3
The result of full Three dimension calculation shows that the way of this paper is valid and simple.