过滤器是一个条件表达式，用于选择行。
A filter is a conditional expression that is used to select rows.
清单1显示了确保存款为正数的条件表达式。
Listing 1 shows the conditional expression that ensures the deposit is positive.
无法计算条件表达式中的重载函数。
An overloaded function in a conditional expression cannot be evaluated.
在编辑判决元素的条件表达式时，该操作是必须的。
This is needed to edit the condition expressions for the decision elements.
条件表达式的测试发生在执行循环之前。
The test of a conditional expression occurs before the execution of the loop.
然后，我们探索了Scala增强的循环结构和条件表达式。
Then we explored Scala's enhancements to looping constructs and conditional expressions.
它使你的条件表达式变得更加可读，避免了布尔运算符的使用。
It makes your conditional expressions more readable; avoiding the use of Boolean operators.
您还可以使用XPath中的条件表达式来进一步精确定位特定节点的位置。
You can use conditional expressions in XPath to further pinpoint the location of specific nodes.
然后，用条件表达式进行的更新只会在该字段就是数据被读出的那个字段进行。
The update is then made with a conditional expression to only update if this field is the same as when the data was read.
通过理论推导，得出基于剪切力和水流功率的均匀沙起动临界条件表达式。
Based on both shear force and stream power and through theoretical derivation, the incipient motion critical conditions of cohesionless uniform sediment are achieved.
指定数据列的附加搜索条件表达式，并用逻辑OR链接到先前的表达式。
Specifies an additional search condition expression for the data column, linked to previous expressions with a logical OR.
在COBOL系统中，由一个数据项、算术表达式或条件表达式表示的信息。
In the COBOL system, the information represented by a data item, arithmetic expression, or conditional expression.
解决方案可能需要新奇的数据结构或者不同寻常的集合或算法，以及条件表达式。
The solutions might require a novel data structure or an unusual set of loops or conditionals.
清单5显示了一个结合使用SimpleXML和XPath以及条件表达式的示例。
Listing 5 shows an example of this using SimpleXML and XPath with a conditional expression.
如果被测试表达式中应当包含按位或运算符，则应当在条件表达式的两侧加上括号。
If the tested expression should contain the bitwise-or operator, then parentheses should be added around the conditional-expression.
渗流理论中现有的潜水面边界条件表达式是针对特定方向的一类潜水渗流问题而给出的。
In the seepage theory, the current expression of boundary condition on phreatic surface is aimed at a kind of seepage.
同样，已将条件表达式和迭代器添加到了XPath语言中，而在以前它们是xsl语言的一部分。
Also, conditional expressions and iterators have been added to the XPath language, where previously they were part of the XSL language.
可以在DataItem 中使用条件表达式屏蔽机密信息 —使用特定字符替换机密信息。
We can use conditional expressions in a Data Item to mask confidential information replacing these with specific characters.
当我们要在一个更大的表达式中嵌入条件表达式时，通常必须用圆括号把条件表达式括起来。
When we embed a conditional expression in a larger expression, we usually must parenthesize the conditional subexpression.
因为在scala里if语句是一个表达式，所以就不需要c类型子语言的三重条件表达式了。
Because if statements are expressions in Scala, there is no need for the special-case ternary conditional expressions that exist in C-derived languages.
和大多数语言一样，Scala的if测试一个条件表达式，然后根据结果为真或假来跳转到响应语句块中。
As in most every language, Scala's if evaluates a conditional expression, then proceeds to a block if the result is true or branches to an alternate block if the result is false. A simple example.
一般来讲，你可以用条件表达式来替换掉条件语句，无论这些语句的分支是返回语句或者是赋值语句。
In general, you can replace a conditional statement with a conditional expression if both branches contain simple expressions that are either returned or assigned to the same variable.
构造了逼近这个问题解答的完备的函数序列和边界条件表达式，并将问题归结为对一组代数方程组的求解。
The complex function series which approach the solution of that problem and general expressions for boundary, conditions are given. The problem is reduced to the solution of algebraic equations.
这就意味着XQuery是由多种表达式构成的，如路径表达式、条件表达式以及元素构造函数，是完全通用的。
This means that XQuery consists of several kinds of expressions, such as path expressions, conditional expressions, and element constructors, that can be composed with full generality.
Unicode字符集、模式内任意代码操作、flagtoggles、条件表达式以及其他特征都被添加到正则表达式库中。
Unicode character class specifiers, arbitrary code execution inside a pattern, flag toggles, conditional expressions, and many other features were added to the regular expression engine.
在分析阶段，您可能愿意将详细信息排除在条件表达式以外，而在设计阶段，您却可能希望将最终产品中要使用的代码的片段包括在条件表达式中。
In analysis, you might be content to leave the details out of your conditional expressions, whereas in design you might go so far as to include snippets of the code to be used in the end product.
要显示登录用户的职位，可以在引用ParameterMap“PositionCode”的DataItemExpression中使用以下条件表达式(见图20)。
To display the logged in user's position we can use the following conditional expression in the Data Item expression referring to the Parameter Map "position Code" (Figure 20).
当它发现一个循环时，会显示三种表达式：初始程序、条件及迭代。
When it discovers a loop, it displays three expressions: the initializer, condition, and iteration.
表达式问题的条件解决方案根本不是真实的解决方案，只是一个尝试，将导致将来更多的维护工作。
The conditional solution to the Expression Problem is really no solution at all, just a hack that will lead to more maintenance work in the future.
此功能允许数据项表达式基于一个条件更改其显示值。
This feature allows data item expressions to change their displayed value based on a condition.
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