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表达式

n.representation, expression
网络Expressions; Lambda; XPath

表达式

英-汉网络释义

表达式

1.representation, expression

2.ground expression

例句：

So let 's write a function that, given the name of a field and a value , returns such an expression .

因此我们可以写一个设定域名和值的函数，返回这个表达式。

Defined as "a repository of RDF graphs managed by a single service " it serves as the endpoint to which any SPARQL statement will be posted .

图库就是 “在单个服务管理下的一个 RDF 图仓库（repository ）”，其作用是作为发布 SPARQL 表达式的端点（endpoint ）。

Otherwise, if the expression is not a constant, another macro function is called to round up the value to a power of two .

如果表达式不是常量，就调用另一个宏函数把值向上取整到 2 的幂。

Anchors allow you to fix a regular expression to either the beginning or end of a line .

定位点使您能够将正则表达式固定到行首或行尾。

The name of the function is always the first token in an S -Expression, and all of the other tokens are arguments to this function .

函数名总是 S 表达式的第一个记号，其它的记号都是该函数的参数。

OK, so of course we will not be able to get a number out of it because we don't know, actually, formulas for anything .

显然我们不能够得出任何具体数字，因为从表达式中，是算不出来的。

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。

When those variables are used in an expression, the value of the variable is retrieved and used for the expression .

在表达式中使用这些变量时，变量值检索后将用于表达式中。

A "binding" connects an instance data node to a form control or to a model item constraint by using a binding expression as a locater .

通过将绑定表达式用作定位器，“绑定 ”将实例数据结点连接到表单控制或模型项目约束。

Is the name of the collation to be applied to the expression, column definition, or database definition .

应用于表达式、列定义或数据库定义的排序规则的名称。

This regular expression has a bunch to digest , but if you walk through it a few times, you can see that this is what a URL has to look like.

这个规则表达式有许多内容有待理解，但如果多看几遍，您就会明白这就是 URL 的格式。

When a program is run , the process of carrying out each of the specified operations in an expression is called evaluation .

当一个程序运行时，完成表达式中指定操作的过程被称为赋值。

This one probably looks a little odd to you, but it's easy to walk through .

这个表达式可能看起来有点奇怪，但很容易解释。

The correlation of average frictional resistance coefficient is the same with that of no rolling motion.

平均摩擦阻力系数与非摇摆条件下的表达式相同。

For example , criteria is often equivalent to the WHERE clause in an SQL expression , without the word WHERE.

例如，criteria 通常等效于 SQL 表达式中的 WHERE 子句，只是不包含 WHERE 一词。

The result of that expression is then used to create a new expression and select all the cd elements with that ID .

然后使用该表达式的结果创建一个新的表达式，选择具有此 ID 的所有 cd 元素。

You use the for clauses to specify a set of Cartesian tuples on which the rest of the expression will be evaluated , shown in Listing 1 .

如清单 1 所示，使用 for 子句来指定一组笛卡尔元组，表达式的其余部分将对该元组求值。

The results indicate that the maximum entropy PDF is simple and the parameters are easy to be determined from the observed data .

结果表明：有效波高的最大熵分布表达式形式简洁，参量易由实测数据确定；

The parameter optimization of this kind of fuzzy controllers was studied in detail by means of its precise analytical interpolation model.

基于该插值解析表达式，研究了利用遗传算法对这一类模糊控制器进行参数优化的方法。

Of course , you could use this returned Node as the context for a new XPath expression , as shown in Listing 12 .

当然也可将返回的这个 Node 作为新 XPath 表达式的上下文，如清单 12 所示。

表达式

表达式

expression

Expressions

Lambda

XPath

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