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。
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。
Combines the colors of the specified pattern with the colors of the destination rectangle by using the Boolean or operator.
用OR操作符将指定图案的颜色与目标矩形颜色结合。
I've read some on the DCI pattern about user roles but as it basically "only" to check that Boolean in the database maybe it is overkill?
我读过一些关于对用户角色DCI模式，但它基本上是“唯一的”检查布尔在数据库中也许是矫枉过正？
Returns a Boolean value that indicates whether a regular expression pattern exists in a searched string.
返回一个布尔值，它指示在所搜索的字符串中是否存在正则表达式模式。
This paper makes an analysis of the features of accessing the EPO (European Patent Of- rice) website with its system, category, pattern, sub-field retrieval, Boolean operators discussed.
本文从检索体系、检索范围、报道形式、检索字段、检索算符及显示结果等五个方面，对欧洲专利局网站的检索特点做了深入的解剖。
This paper makes an analysis of the features of accessing the EPO (European Patent Of- rice) website with its system, category, pattern, sub-field retrieval, Boolean operators discussed.
本文从检索体系、检索范围、报道形式、检索字段、检索算符及显示结果等五个方面，对欧洲专利局网站的检索特点做了深入的解剖。
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