As mentioned, expression nodes also support simple arithmetic and logical expressions.
如前面所述，表达式节点还支持简单的算术和逻辑表达式。
That is used in mathematical or logical expressions to represent a variable quantity .
用在数学或者逻辑表达式里代表一个可变量的符号。
A symbol that is used in mathematical or logical expressions to represent a variable quantity.
用在数学或者逻辑表达式里代表一个可变量的符号。
In Listing 5, the condition element is used to create complex logical expressions as conditions can be nested.
在清单5中，Condition元素是用于创建作为可嵌套条件的复杂逻辑表达式。
Logical expressions are put forward to judge the conflicts of sections and stations, and the stack method is used to judge the conflicts of station tracks.
对区间和车站的冲突采用逻辑表达式判定，对到发线冲突则引入堆栈方法来判定。
Bonita provides a GUI for configuring variables according to your application's business logic and evaluating mathematical and logical expressions based on process variables.
Bonita提供了一个GUI，它可以根据您应用程序的业务逻辑来配置变量，并且可以基于流程变量来评估数学及逻辑表达式。
The default is to perform a logical "and" operation on the two expressions, which is what is needed for this case.
缺省设置是对两个表达式执行逻辑“与”操作，这就是本例中需要的设置。
Finally, the -a and -o options allow you to combine expressions with logical and and OR, respectively, while the unary!
最后，- a和- o选项允许使用逻辑运算符and和OR将表达式组合在一起。
Many programs utilize Boolean expressions, and Python provides the full range of Boolean comparison and logical operations, as detailed in tables 1 and 2, respectively.
很多程序利用布尔表达式，Python提供一整套布尔比较和逻辑运算，详细信息请分别参见表1 和表2。
Performs short-circuiting inclusive logical disjunction on two expressions.
对两个表达式执行短路包含逻辑析取。
Performs short-circuiting logical conjunction on two expressions.
对两个表达式执行简化逻辑合取。
Performs a logical disjunction on two expressions.
对两个表达式执行逻辑析取操作。
To establish a model is the precondition to the logical and semantic analysis of epistemic expressions and the theory of possible world semantics provides an effective tool for this.
建立模型是对认知表达式进行逻辑语义分析的前提，可能世界语义学为此提供了有效工具。
Provides links to topics such as how to use expressions in queries, what logical operators, and how to include user-defined functions in queries.
提供指向介绍如何在查询中使用表达式、在查询中可以包括哪些逻辑运算符以及如何在查询中包括用户定义函数的主题的链接。
In this paper several comparison logic operations are introduced, and their expressions, relative properties and application in processing logical functions are discussed.
本文引入几种比较运算，并讨论了它们的表示、有关性质及其在处理逻辑函数中的应用。
The subsequent expressions, however, produce Boolean values using relational comparisons, then use logical operations on the results.
然而，后续的表达式利用关系比较生成布尔值，然后对结果进行逻辑运算。
Finally, it points out that it is necessary to master some commonly used transitional words and some useful expressions for paragraphs beginning in order to make them natural, coherent and logical.
继而阐述了段落的组成、段落的写作原则以及为写好段落和文章必须掌握的过渡性词语和表达法。
Specifies an additional search condition expression for the data column, linked to previous expressions with a logical OR.
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.
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。
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