Boolean search logic 检索的方式
It's also worth noting that various Web sites will tinker with Boolean logic to create their own versions of the search language.
值得注意的是，很多网页会在布尔逻辑学的基础上进行改进，建立它们自己的搜索语言。
Advanced search provides users with the date, language, Boolean logic and search for similar conditions.
高级搜索提供用户以日期、语种、布尔逻辑和近似条件搜索。
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