在仓库目标模型中创建一个过滤器表达式，这将用到默认值(如有提供)。
A filter expression is created in the warehouse target model which will use the default value (if provided).
其实，这里的目标是要创建一个小型语言，这个语言能够允许用户来输入相对简单的代数表达式，然后这个代码来为它求值并产生结果。
In essence, the goal here is to create a small language that allows users to type in relatively simple algebraic expressions that this code will evaluate and produce a result.
然后，计算表达式，得到的值将替换目标节点中的现有值。
The expression is then computed and the resulting value replaces the existing value in the target node.
然后计算表达式，得到的值将替换目标节点中的现有值。
The expression is then computed, and the resulting value replaces the existing value in the target node.
规则表达式中使用的语法高度依赖于目标执行环境。
The syntax used in rule expressions statements is highly dependent on the target execution environments.
这些表达式被应用于“真正的”JDBCURL，并被利用，这样跟踪程序就能够给按目标数据库划分的APM系统提供性能指标。
These expressions are applied to the "real" JDBC URL and are required so that the tracer can provide performance metrics to the APM system that are demarcated by the target database.
这些表达式用于指示输出消息组件中的目标元素，其中获取的元素应该重写现有值(假如树中已经存在元素)。
These are used to indicate a target element in the out going message assembly, where an acquired value should overwrite the existing value (in the case where the element already exists in the tree).
表达式中的问号(？)将由目标节点的现有文本值替换。
The question marks (?) in the expression are replaced with the existing text value of the target node.
错误消息中显示的原因码 “XUTY0008” 表示 “替换表达式的目标节点不是单一节点”。
The reason code "XUTY0008" shown in the error message quickly points you to the fact that "the target node of a replace expression is not a single node".
事实上，如果XML文档使用默认名称空间，那么尽管目标文档没有使用前缀，XPath表达式也必须使用前缀。
Indeed, when the XML document USES the default namespace, the XPath expression must use a prefix even though the target document does not.
对话框中列出来自aa_prompts_map参数映射的仓库目标模型上的所有嵌入式提示表达式。
Listed in the dialog are all the embedded prompt expressions from the warehouse target model from the AA_Prompts_Map parameter map.
AdaptiveWarehouse目标模型自动嵌入一个提示表达式到查询中，该查询为历史跟踪维度属性评估时间上下文。
The Adaptive Warehouse target model automatically embeds a prompt expression in queries which evaluate the time context for history tracking dimension attributes.
跟踪程序模式配置项是一组正则表达式，它们指导WrappingJDBCDriver如何为目标数据库确定跟踪名称空间。
The tracer pattern configuration items are a set of regular expressions that instruct the WrappingJDBCDriver how to determine the tracing name space for this target database.
所以，lambda表达式带来了另一个相关功能，即通过目标类型化(target typing)实现的扩展类型推断。
So lambda expressions bring with them another friend - expanded type inference through target typing.
从最初的设计阶段开始，MathML的主要目标就是支持数学表达式作为文本而不是图像或含混的插件使用在web页面中，以允许搜索、调整文本大小，等等。
A major aim of MathML from its first design phase has been to enable mathematics to be used in Web pages as text, not as images or opaque plugins, to allow searching, the resizing of text, and so on.
感知器培训规则是基于这样一种思路—权系数的调整是由目标和输出的差分方程表达式决定。
The perceptron training rule is based on the idea that weight modification is best determined by some fraction of the difference between target and output.
模板表达式除了目标属性的值以外，不应该改变应用的任何状态。
A template expression should not change any application state other than the value of the target property.
如果目标是一个属性引用：引用中的主元表达式被求值。
If the target is an attribute reference: the primary expression in the reference is evaluated.
当您使用正则表达式匹配，您输入的值为目标的URL，以及每个程序步骤将阅读作为一个经常性的表达。
When you use Regular Expression Match, the value you enter as the goal URL as well as each of the funnel steps will be read as a Regular Expression.
但有时候，把从服务器收到的数据传递给eval语句之前，检查其是否符合预期目标可能更谨慎一些，比如使用正则表达式。
Still, in some situations, it might be prudent to verify that data received from a server matches expectations, perhaps with a regular expression, before passing it to the eval statement.
由于JRuby目标是成为与Ruby 1.8 . x(及以后版本)兼容的实现，因此有必要支持同样的正则表达式。
Since JRuby aims to be a compatible implementation of Ruby 1.8.x (or future versions), it's necessary to support the same Regexes.
使用XPath表达式来选择目标数组(请注意，括号未包括在XPath表达式中)。
The target array is selected using an XPath expression (note that the brackets aren't included on the XPath expression).
另一个困难是如何有效地计算目标满意度和约束满足度表达式中的多重积分。
Another problem is how to calculate the multiple integration in the expression of the satisfactory degrees of objective and constraint.
为了得到目标函数的等价形式，首先导出期望完工时间的一个表达式。
First drives an expression of expected completion time in order to get the equivalent form of the objective function.
当一个正则表达式投入使用时，首先要确定目标字符串中开始搜索的位置。
When a regex is put to use, the first step is to determine the position within the target string where the search should start.
导出了该模型下输出功率、效率和生态学目标函数的表达式。
The analytical expressions of power output, efficiency and ecological objective function are derived.
当线性规划约束条件的右端向量在一定范围内变化时，目标函数的最优值是右端向量的一个复杂的分片线性函数，但通常难以给出分析表达式。
The optimal objective value is a complicated piecewise linear function of the right-hand-side vector of the constraints, and its analytical expression is normally hard to obtain.
本文推导出电流源逆变器(CSI)脉宽调制(PWM)谐波电流幅值表达式，脉动转矩目标函数。
A formula of harmonic current amplitude for CSI PWM is derived in this paper. An objective function of pulsating torque is also derived.
对这种新的恒虚警算法在斯威林2型目标假设下，我们获得了虚警和探测概率的解析表达式。
For this new CFAR detector we obtain analytic expressions of the false alarm rate and detection probabilities un-der the Swerling 2 assumption.
对这种新的恒虚警算法在斯威林2型目标假设下，我们获得了虚警和探测概率的解析表达式。
For this new CFAR detector we obtain analytic expressions of the false alarm rate and detection probabilities un-der the Swerling 2 assumption.
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