The value of expression, if the expression is present, is returned to the calling function.
表达式的值（如果表达式存在的话）将返回到调用函数。
She trimmed back my flowery language, drew lines through my exclamation marks and argued for the value of restraint in expression.
她删减了我华丽的辞藻，划掉了我的感叹号，主张克制的表达。
Literally, return the control from this function, and take the value of the next expression, and return that as the value of the whole computation.
正如字面意义上说的，从这个函数返回，然后取得下一个表达式的值，并把这个值作为整个计算的结果返回。
The return value of any function is the result of the last expression in that clause (in our examples there is only one line).
任何函数的返回值都是子句(在我们的示例中只有一行)中最后一个表达式的结果。
All right? What's the value of that expression?
对不对？这个表达式的值是多少？
The value returned by the outermost expression in a query is the result of the query.
查询中最外面的表达式所返回的值就是整个查询的结果。
Note that, when a newline is seen after an expression, the value of the expression is simply printed.
注意，当在一个表达式后面发现一个换行时，表达式的值就会被直接打印出来。
While most of these functions are self explanatory, the Map TAB allow dynamic conditions to be built (using the Expression Builder) that dynamically change the display value of a report element.
大多数功能都是自说明的，映射标签页允许动态构建(使用表达式构建器)，以使得报表元素的显示值可以动态改变。
It's possible to declare conditional breakpoints triggered whenever the value of an expression changes (see Figure 6).
还可以声明条件断点，它在表达式值发生变化时触发(请参见图6)。
As I mentioned earlier, every query expression is generically typed to denote the type of the value the expression evaluates to.
如前所述，每个查询表达式都是泛型的，以表示表达式计算的值的类型。
The regular expression captures the value of each attribute and places these in the same hash you used to hold the fields from the TMC2 message earlier.
正则表达式捕获每个属性的值并将其放置到此前用于存放来自TMC2消息的字段的哈希中。
} expressions, such as deferred evaluation and the option to set the value of an EL expression.
}表达式的其他功能，比如延迟求值和设置EL 表达式的值。
A third value, UNKNOWN, is the result of an incorrect expression and has the same behavior as FALSE.
第三个值UNKNOWN是一个错误表达式的结果，处理方法与FALSE相同。
You can use a scalar subquery to select a specific value that will be used in the expression of the WHERE clause.
可以使用标量子查询选择将用于where子句的表达式中的特定值。
Each expression returns a value that depends only on the operands of the expression, and no expression has any side effects.
每个表达式仅根据其操作数来返回值，并且都不会产生副作用。
The value of the last expression is the default return value of a function.
最后一个表达式的值是默认的返回值。
The type argument is the type of the value the expression evaluates to.
类型参数就是表达式要计算的值的类型。
The question marks (?) in the expression are replaced with the existing text value of the target node.
表达式中的问号(？)将由目标节点的现有文本值替换。
This pattern is a regular expression that means the acceptable value of store ID should begin with ID followed by six digits.
该模式是一个正则表达式，它表示可接受的storeID的值应该以ID开头，后面紧跟着六位数字。
The result of an XPath expression is typically a selection of nodes from the input documents or an atomic value.
一个XPath表达式的结果通常是从输入文档选择出的节点或者是原子值。
The set.tag file (see Listing 4) can be used in a scriptless JSP page to set the value of a #{...} expression.
可以在没有脚本的JSP页面中使用set.tag文件（参见清单4）来设置 #{...} 表达式的值。
In general, a lambda function is a function that takes any number of arguments and returns the value of a single expression.
一般来说，lambda函数接收任何数目的参数，并返回单个表达式的值。
Match Expression: Perl-compatible regular expression that matches against the value of the header.
MatchExpression：采用兼容Perl的正则表达式来匹配报头值。
This expression checks the value of the Month Flag.
这个表达式会检查MonthFlag的值。
The value of the includes attribute is an XPath expression (possibly chosen from a very restricted subset of XPath) that identifies the element whose text is included.
includes属性的值是一个XPath表达式(可能从非常有限的xpath子集中选择)，它确定了将包含其文本的元素。
The result of that subquery then becomes a value in the WHERE clause expression
它的结果会成为where语句表达式中的一个值。
The most interesting change with options, parameters, and variables is the removal of the value attribute; values are now the result of evaluating an XPath expression defined by a select attribute.
对选项，参数和变量来说，最有趣的变化是移除了值属性；现在值是一个Xpath表达式的计算结果，该表达式由一个选择属性定义。
The call to map walks through each value, aliases it to v: val, evaluates the expression in the string, and replaces the value with the result of that expression.
调用map可以遍历各个值，将其作为别名赋给v：val，在字符串中计算表达式，并用表达式结果替换值。
In the case where a retrieved column has a value of SQL NULL, then no XPath variable reference expression is assigned to such a value.
如果检索到的列值为SQLNULL，那么不会给此类值分配任何XPath变量引用表达式。
In the case where a retrieved column has a value of SQL NULL, then no XPath variable reference expression is assigned to such a value.
如果检索到的列值为SQLNULL，那么不会给此类值分配任何XPath变量引用表达式。
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