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1·Boolean operator that gives a truth table value of true if only one of the two variables it connects is true.

一种布尔运算符，当与其相关联的两个变量中仅有一个为真时，其真值表才取值为真。

2·Filter criteria are specified as the column name, followed by an equality, inequality, or Boolean operator, followed by the filter value.

过滤条件可以指定为列名，其后跟等式、不等式或布尔运算符，然后是过滤值。

3·Google has finally begun introducing some support for Boolean operators with the addition of an or operator. (that's from January 2001).

17 Google加进对OR运算符，终于开始支持布尔运算符了(2001年1月份)。

4·To get a more selective match for such cases, use either the enforce operator (+) or an explicit Boolean operator (AND) in the keyword search.

要在对这样的情况使用更多选择的匹配，需要在搜索关键词中使用强制 操作符（+）或显式的逻辑操作符（AND）。

5·Applying such terms for a match might therefore need an explicit enforcement as a required term or need a combination with a Boolean operator.

因此，确实要使用这些词汇进行匹配时，我们需要采用显式执行方式，将这个词汇作为必要词汇或与一个逻辑操作符组合使用。

6·To use a table subquery, you need to use an SQL operator to combine the embedded query with a Boolean expression.

要使用表子查询，需要使用SQL操作符将嵌入式查询与布尔表达式组合在一起。

7·These two query restrictions are combined in this query by using the Boolean AND operator.

可以通过使用Boolean AND操作符将这两个查询限制组合在该查询中。

8·This expression can be as simple as a variable (as shown in Listing 2) or a method call (like getList()), or a complex expression that involves boolean logic or a ternary operator.

表达式可以简单到就是一个变量（如清单 2 所示）或者是一个方法调用（例如 getList()），亦或是包含布尔逻辑或三目运算符的复杂表达式。

9·Note that to indicate a Boolean connection, the operator must appear in uppercase letters.

注意如果要指定一个逻辑运算搜索，操作符必须使用大写字母表示。

10·With Ruby gem aasm, is it possible to define the not (!) operator on guard functions that return a Boolean result?

用红宝石的宝石协会，它是可能的定义不是(！)警惕的函数返回一个布尔值算子？