Even the functions and operators that you can use in XPath are all about selection.
即使在XPath中使用的函数和运算符也都与选择有关。
Table 2 lists Perl core functions and operators leveraged to call system commands from within a Perl script.
表2列出了用来从perl脚本中调用系统命令的Perl核心函数和操作符。
Many new functions and operators are provided that allow all suitable arithmetic operations between points in time and durations.
提供了很多新的函数和运算符在时间点和时期之间完成适当的算术运算。
In short, it's all about identifying Perl core functions and operators leveraged in the script that carries Solaris-specific system commands.
简而言之，都是关于识别在含有特定Solaris系统命令的脚本中使用的Perl核心函数和操作符。
While XPath doesn't support functions, XQuery provides a substantial collection of built-in functions and operators and also allows users to define functions of their own.
XPath不支持函数，但XQuery提供了一批重要的内置函数和运算符，而且还允许用户定义自己的函数。
Because Perl is flexible enough to accommodate different ways of executing operating system commands, there are many different core functions and operators used for that purpose.
因为Perl足够灵活，可以适应不同执行操作系统命令的方法，因此有许多不同的核心函数和操作符。
Many operators that perform functions are included, such as data aggregation, joining, splitting, and complex functions.
将包括许多执行函数的算子，例如数据聚合、联接、分割和复杂函数。
Advanced math — XSLT can perform basic arithmetic easily enough, but it doesn't support trigonometry, exponential functions, logarithms, or other more advanced mathematical operators and functions.
高等数学——XSLT在基本数学方面游刃有余，但它不支持三角学、指数函数、对数或其他更为高级的数学运算符及函数。
Allowing division and multiplication, multiple functions, accounts and operators.
允许使用除法和乘法、多个函数、账户和运算符。
Look at the SPARQL spec to learn in detail about SPARQL's built-in functions, operators, query forms, and syntax, or to see many more example SPARQL queries.
请参阅SPARQL的规范，详细学习SPARQL的内置函数、操作符、查询格式和语法，或者参阅更多SPARQL查询示例。
Listing 1 shows the definitions of the classes used for representing functions, operators, and variables.
用以表示函数、操作符和变量类的定义如清单1所示。
Mathematical expressions in W3Eval are built of Numbers, variables, operators, functions, and parentheses.
W3Eval的数学表达式由数字、变量、操作符、函数和括号组成。
XQuery has all the rudimentary functionality of most high level languages (if-then-else, for, variables, functions, and arithmetic operators).
XQuery提供了大多数高级语言的所有基本功能(if - then - else、for、变量、函数和算术操作符)。
An extension can define tags, filters, tests, operators, global variables, functions, and node visitors.
一个扩展可以定义标签、过滤器、测试、操作、全局变量、函数和节点访问等。
Symmetric operators, such as the arithmetic, equality, relational, and bitwise operators, are best defined as ordinary nonmember functions.
对称的操作符，如算术操作符、相等操作符、关系操作符和位操作符，最好定义为普通非成员函数。
Operators are just functions with funny names and syntax.
操作符只是有着有趣名字和语法的函数。
The commutator generated by BMO functions and singular integral operators with homogeneous kernel is studied.
本文研究带有齐性核的奇异积分算子与BMO函数的交换子。
The demands of operators for integrated alarm system are analyzed, the positioning, functions and system architectures of integrated alarm system are described.
文章分析了运营商对综合集中告警系统的需求，描述了综合集中告警系统定位、功能以及系统总体结构等。
Calculated questions can use more than simple arithmetic operators. The following functions are allowed in versions 1.5 and newer.
计算试题可以使用更多简单的算术运算子，下面所列的函数允许在1.5版及之后的版本使用。
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。
These operators and functions are available inside the Formula Node.
在公式节点内运算符和函数都是可用的。
Approximation and recovery of band-limited functions from shift-invariant operators is studied.
给出了有限频带函数利用平移不变算子的逼近与恢复。
For example, the improvement of software functions of smart phones and the wireless transmission of massive content data cannot be realized without the support of chip makers and operators.
譬如，智能手机软件功能的提升，大量内容数据的无线传输，离不开芯片厂商和运营商的贡献。
It has unloading management, start loading, process management functions of the three operators fairly convenient and wisdom.
它拥有卸载管理、启动加载、进程管理三大功能，操作相当方便和智能。
Symmetrizing operators on mixed cartesian and tensor product spaces and corresponding mixed matrix functions on partitioned matrices are introduced. Some relation formulae on them are given.
引入了卡氏和张量混合积空间上的对称化算子和相应的分块矩阵上的混合矩阵函数，给出了关于它们的若干关系式。
The control functions in modern plants are accomplished manually by operators, automatically by automatic controls, or by combinations of manual and automatic operation.
在现代电厂中，控制功能由运行人员手动地，自动控制系统自动地，或两者共同地来执行。
All the operators and functions used by an operator class must be defined before the operator class is created.
所有操作符表使用的函数和操作符都必须在创建操作符表之前定义。
An expression can consist of a mathematical calculation or a string, and can involve any combination of column names, literals, operators, or functions.
表达式可以由数学计算或字符串组成，也可以包含列名、文本、运算符或函数的任意组合。
Two new membership functions are proposed and different enhancement operators are used for edge detection.
提出两种新的隶属函数的定义形式并采用不同的增强算子来实现边缘的自动检测；
Two new membership functions are proposed and different enhancement operators are used for edge detection.
提出两种新的隶属函数的定义形式并采用不同的增强算子来实现边缘的自动检测；
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