Boolean operators searching 布尔逻辑检索
Conditional and Boolean Operators 条件和布尔运算操作符
Boolean logic operators 布林逻辑运算元 ; 辑运算元
boolean logical operators 布尔逻辑操作符
Boolean and relational operators 布尔和关系操作符
Boolean Algebra Comparison operators 布尔值和比较运算符
boolean conditional logical operators 布尔条件逻辑操作符
Listing 1 shows the process of doing searches with Boolean operators.
清单1显示了如果利用布尔操作符进行查询的过程。
You can combine such expressions with Boolean operators (AND, or, NOT).
可以使用布尔操作符(AND, OR, NOT)组合这些表达式(AND, OR, NOT)。
Standard Boolean operators are available, such as and, or, xor and not.
可以使用标准的布尔操作符，比如and、or、xor和not。
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