正则表达式对象存储用于搜索字符组合的字符串的模式。
Regular Expression objects store patterns used to search strings for character combinations.
如果表达式表示类或结构，则将作为表达式对象来检索成员变量列表。
If the expression represents a class or structure, retrieve a list of member variables, as expression objects.
这是一种新型表达式语言，拥有优秀的集合、对象图遍历和索引支持功能。
This is the newer form of expression languages and has excellent collection, object graph traversal, and indexing support.
OQL查询同样可以调用对象的方法，将正则表达式作为查询的一部分，并使用内置查询工具。
OQL queries can also invoke methods on the objects themselves, use regular expressions as part of the query, and use built-in query tools.
抽象语法树是一个表示为对象集合的表达式。
An abstract syntax tree is an expression represented as a collection of objects.
与属性相似，度量是组成事实对象的表上的列或列表达式。
Measures, like attributes, are columns or column expressions on the tables that make up a facts object.
包括所有表、存储过程、函数和视图，并能基于正则表达式来排除特定对象。
Includes all tables, stored procedures, functions, and views with the ability to exclude objects based on regex patterns.
第二个参数是需要转换为语法对象的表达式。
The second parameter is the expression that needs to be converted into a syntax object.
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.
可以重复前面的步骤以拖放对象，也可以手工输入表达式。
You can either repeat the previous steps to drag and drop items, or you can type in the expression manually.
因为它不是E4X所预期的。有了XML对象，就能通过表达式rsp . photos .photo得到照片元素的列表。
Once you have an XML object, you can get to the list of photo elements, with the expression rsp.photos.photo.
实际上，该遍历表达式返回具有rdf：type谓词的所有语句的对象。
In effect, this traversal expression returns the objects of all statements with an RDF: type predicate.
将事实对象的属性和度量转换为SQL表达式。
Convert the facts object's attributes and measures into SQL expressions.
因此，建立这种联系后，还需要获得一个能够处理XPath表达式求值的对象。
So with that link established, you need to get an object that can handle XPath expression evaluation.
数据网格查询功能得到了改进，目前支持利用路径表达式通过关联对象字段查询数据。
Some improvements were made in the data grid querying capabilities, now supporting queries on fields of nested objects using path expressions.
这当然也不是python胜人一筹的明确的表达式和简洁的面向对象。
It certainly wasn't the clarity of expression or clean object orientation in which Python positively excels.
syntax接受一个转换表达式(由模板变量和常量表达式组成)并返回产生的语法对象。
Syntax takes a transformation expression consisting of template variables and constant expressions and returns the resulting syntax object.
您还可以将属性转变成正则表达式及VerificationPointEditor中的或测试对象地图中的数值范围。
You can also convert properties to regular expressions and numeric ranges from within the Verification Point Editor, or the test object map.
一个表格映射，即一个XPath表达式，它找出组成表格每行的模型对象。
A table mapping that is an XPath expression, which finds the model objects that form the rows of the table.
一个直行映射，即一个XPath表达式的集合，它找出形成表格每列的模型对象的属性。
A column mapping that is a set of XPath expressions, which find attributes of those model objects, forming the columns of the table.
非常明显，你的throwit函数不能把对象的动态类型传给抛出表达式。
It is clear that your throwit function cannot pass the dynamic type of the object to the throw expression.
Context对象封装了对表达式求值所需的所有上下文信息。
The context object encapsulates all contextual information needed to evaluate the expression.
接下来的两行代码使用生成器表达式来处理文件对象ps .stdout，分析该文件并在其中搜索您正在查找的行。
The next two lines of code-use generator expressions to handle the file object ps.stdout and to parse it and search it for the lines you are looking for.
消息映射的键是字符串，表示用于访问业务对象的叶子节点的XPath表达式。
The keys of the message map are strings that represent XPath expressions to access the leaf nodes of the business object.
例如，使用无效的Xpath表达式访问数据对象将引发SDOInvalidPathException。
For example, accessing a data object by an XPath expression which is invalid will throw an SDOInvalidPathException.
不过，请记住，使用XPath表达式还可以仅加密xml消息的服务数据对象的某一部分。
However, keep in mind that using XPath expressions also makes it possible to just encrypt some part of a service data object of an XML message.
将XPath表达式从String转化为XPathExpression对象，然后将该对象应用于所支持的数据模型实例中的任何节点。
To convert an XPath expression from a String to an XPathExpression object, which can then be applied to any node in an instance of the supported data model.
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.
XPathExpression对象通过将XPath表达式的String表示传递给XPath的编译方法来创建。
XPathExpression objects are created by passing a String representation of the XPath expression into the compile method on XPath.
XPath对象编译 XPath表达式
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