第一个例子是用静态查询表达式。
支持解析人们输入的丰富查询表达式。
查询表达式通过构建节点集合序列来处理
The query expression is processed by building a sequence of node collections
标记将收集与查询表达式匹配的所有节点。
The tag will collect all nodes that match the query expression.
另一种更加强大的功能是动态查询表达式。
我们说查询表达式产生一组节点，在这里导航结束。
We say that the query expression results in the set of nodes at which the navigation ends.
使用数据库支持的函数作为查询表达式来扩展语法。
Using a database-supported function as a query expression to extend the grammar.
查询表达式被赋予泛型。
The query expressions are generically typed. A few typical expressions are.
Root是一个查询表达式，它表示持久化实体的范围。
Root is a query expression that denotes the extent of a persistent entity.
此导航的查询表达式为 swimmer/entry。
DPTK查询表达式是一个描述如何遍历dom的字符串。
A DPTK query expression is a string that describes how to traverse the DOM.
DPTK查询表达式语言提供用于指定模型遍历的多种步骤。
The DPTK query expression language provides for several kinds of steps with which to specify model traversals.
允许用户使用定制排序、过滤和查询表达式解析扩展搜索行为。
Allows users to extend the searching behavior using custom sorting, filtering, and query expression parsing.
在遍历查询表达式时，算法可能需要纠正双重否定。
As you iterate over the query expressions, your algorithm may need to correct for double negatives. Consider a query expression like this one.
第4行在CriteriaQuery实例上设置了查询表达式。
In line 4, query expressions are set on the CriteriaQuery instance.
同时，节点属性指定可以产生任何数量（包括零）节点的查询表达式。
Meanwhile, the nodes attribute specifies a query expression that can result in any number (including zero) of nodes.
提供了常用功能——像查询表达式、单点登录——的工具组件，它还提供了
utility components that offer common functionality such as query expressions, single-sign-on and
返回查询表达式的两个方法都返回QueryExpression对象。
Both of the methods that return query expressions will return a QueryExpression object to you.
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。
As I mentioned earlier, every query expression is generically typed to denote the type of the value the expression evaluates to.
Predicate是计算结果为true或false的常见查询表达式形式。
Predicate is another common form of query expression that evaluates to either true or false.
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.
该查询表达式是一个构建块，可以通过组装它为查询定义最后的选择谓词。
The query expression is a building block that can be assembled to define the final selection predicate for the query.
视图是一个具有额外属性的DerivedTable，比如查询表达式和检查类型。
A view is a DerivedTable with extra properties, such as query expression and check type.
每种标记都有一个节点属性，该属性携带一个描述DOM中单一模型节点的查询表达式。
Each tag has a node attribute that takes a query expression describing a single model node in the DOM.
在查询表达式的最后一步中收集的最终节点集合是查询表达式的一组结果节点。
The final collection of nodes gathered during the last step in the query expression is the set of resulting nodes for the query expression.
开发人员创建Connect标签时可以给查询表达式传递一个Aptrix组件标签。
When the developer builds the Connect tag, he passes an Aptrix component tag to this query expression.
由于在变量名后面没有任何步骤，因此该查询表达式将产生一个单一节点，即正好是当前的节点。
Since there are no steps following the variable name, this query expression results in a single node which happens to be the current node.
如果查询表达式中没有任何步骤，则查询表达式将产生开始节点，挂起任何附加的筛选。
If there are no steps in the query expression, the query expression results in the start node, pending any additional filtering.
默认XML名称空间到查询表达式的自动添加，以及用于从任何文档删除XML名称空间的选项。
Automatic addition of the default XML namespace into query expressions and the option to remove XML namespace from any document.
可以很容易地将模板的动态内容部分替换为使用查询表达式指定正确模型节点的相应 、或标记。
The dynamic content sections of the template are easily replaced by the appropriate , or tags that use query expressions to target the correct model nodes.
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