资讯
A statement using Boolean operators that expresses a condition that is either true or false. See Boolean search. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.
Booleans may seem harmless, but using them can be fraught with peril. Follow these five rules when dealing with Booleans.
一些您可能无法访问的结果已被隐去。
显示无法访问的结果