将变量值与表达式值相加，并将结果赋给该变量。
Adds the value of an expression to the value of a variable and assigns the result to the variable.
公式节点中的运算符和语法同样适用与表达式节点。
The same operators and syntax of the Formula Node apply to the Expression Node.
由于一个语句可以包含一个或多个表达式，因此语句与表达式是有区别的。
A statement differs from an expression in that a statement can consist of one or more expressions.
IanGriffiths在他关于表达式树文章中，给出了一个非常不错的Lambda表达式介绍，以及Lambda与表达式树的关系。
In his article on expression trees Ian Griffiths gives a great introduction to lambda expressions and their relation to expression trees.
它将使用一系列的规范，其中包括优先级编号以及一个通配字符表达式，以便与加载名称进行匹配。
It will have a series of specs that include a priority number and a wild card expression to match a load name or names.
您可以将数据与正则表达式进行比较，如果它们匹配，则知道数据是有效的。
You can compare data to a regular expression; if they match, you know your data is valid.
语义同义词采用XML片段查询表达式的形式，可以与一般的同义词一起使用。
The semantic synonyms take the form of XML fragment query expressions and can be used together with ordinary synonyms.
如果数据与当前的正则表达式匹配，则应用程序显示一条消息，表明邮政编码有效。
If the data matches the current regular expression, the application displays a message to indicate that the postal code is valid.
缺省设置是对两个表达式执行逻辑“与”操作，这就是本例中需要的设置。
The default is to perform a logical "and" operation on the two expressions, which is what is needed for this case.
向导将筛选器表达式与可以存储区域的属性进行匹配。
A filter expression is matched against the properties of the available storage areas.
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。
To use a table subquery, you need to use an SQL operator to combine the embedded query with a Boolean expression.
括号对与可能组成部分替换模式的“子表达式”匹配。
Sets of parentheses match "subexpressions" that can potentially make up part of the replacement pattern.
操作数的顺序与等价的中缀表达式中操作数的顺序一致。
The operands are in the same order that they would be in the equivalent infix expression.
为了让编程对人而言更加简单，这些表达式采用与传统数学公式尽可能类似的语法。
To make programming easier for humans, these expressions tend to have a syntactic form that mirrors as closely as possible the representation used in traditional mathematical formulae.
除此以外，它还支持在配置中使用表达式，这样就能实现与动态构建的URL之间的连通了。
Moreover, it supports the usage of expressions in its configuration, which enables connectivity with dynamically built URLs.
第三个值UNKNOWN是一个错误表达式的结果，处理方法与FALSE相同。
A third value, UNKNOWN, is the result of an incorrect expression and has the same behavior as FALSE.
确定字符串是否与模式匹配是对正则表达式的最简单应用，如图1所示，而且易于操作。
Determining if a string matches a pattern is the simplest use of regular expressions and, as you see in Figure 1, it's, easy to do.
将正则表达式与SQL结合起来可以提供许多处理数据的可选方法。
Combining regular expressions with SQL provides many alternative means of processing data.
从事实对象的属性产生SQL表达式的方式与维属性相似。
Generating SQL expressions from the attributes of the facts object is done the same way as the attributes of the dimensions.
这些服务还有另一个必需的设置——频率，必须用与cron相似的表达式指定频率。
The only other mandatory setting for those services is the frequency, which must be specified by a cron-like expression.
然后，当调用process时，它在从CAS收到的文档文本中寻找与正则表达式匹配的地方。
Then, when process is called, it finds matches of the regular expression in the document text that it gets from the CAS.
可以通过交互式shell输入表达式、编译代码以及与进程进行通信。
With the interactive shell you have the ability to type expressions, compile code, and communicate with processes.
XQuery函数与XPath表达式的结合为实现搜索需求提供了强大的搜索机制。
XQuery functions combined with XPath expressions provide a powerful search mechanism for implementing the search requirements.
第二个SELECT语句通过将父数据链接至子数据与公共表表达式 (CTE) 联接。
This second select statement is joined with the Common Table Expression (CTE) itself by linking parent to child data.
1(或\ \2)表示模式与匹配表达式的第一个(或第二个)子表达式相匹配。
1 (or \ \ 2) means the pattern matched by the first (or second) subexpression of the match expression.
与对If细分添加XPath表达式十分类似，可以使用Properties视图中的Condition选项卡对转换添加一个条件。
Much like adding XPath expressions on if and Else if refinements, you can add a condition on a single transform using the condition TAB within the Properties view.
这个XPath表达式与存储过程中的其他SQL相结合，返回在输入的日期应该支付的总金额。
This XPath expression is used with other SQL in the stored procedure to return the sum of the payable amount due on the date supplied as input.
可以使用FLWOR 表达式构造同样的查询，这种表达式常常与XQuery语句相关联。
The same query can be formulated using FLWOR expressions commonly associated with XQuery statements.
因为输入(domain：ananas.org)与该正则表达式相匹配。
Since the input (domain: ananas.org) matches the regular expression. However if it is called with.
因为输入(domain：ananas.org)与该正则表达式相匹配。
Since the input (domain: ananas.org) matches the regular expression. However if it is called with.
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