You can limit the categories that are searched, and you can use Boolean expressions and pattern matching to further refine the search.
您可以限制搜索的类别，还可以使用布尔表达式和模式匹配来进一步精化搜索。
2
Some key issues of pattern classification for Boolean vector data are put forward and studied in the dissertation, and research results are applied into TCM diagnosis scale development.
论文提出和研究了布尔向量数据模式分类中的关键问题，并将研究结果应用于中医学诊断量表研制当中。
3
Combines the colors of the specified pattern with the colors of the destination rectangle by using the Boolean or operator.