是否定义了本函数取决于PHP和GD的版本。
Depending on your PHP and GD versions this function is defined or not.
注意：本函数用于采用引用的方式赋值到模板中。
Technical Note: This is used to assign values to the templates by reference.
本函数用于采用引用的方式把变量的值添加到原有值之后。
This is used to append values to the templates by reference.
本函数用于设置或者重置单选钮和复选框的状态。它对一般的按钮没有影响。
Sets or resets the check state of a radio button or check box. This member function has no effect on a pushbutton.
本函数典型地用法是用于调试，所以这个串表述成详尽并无歧义是十分重要的。
This is typically used for debugging, so it is important that the representation is information-rich and unambiguous.
如果一个命名的互斥对象在本函数调用之前已经存在，则返回已经存在的对象句柄。
If the named mutex object existed before the function call, the function returns a handle to the existing object and GetLastError returns ERROR_ALREADY_EXISTS.
本函数清除指定模板资源的编译版本，如果不指定具体模板则清除所有已编译模板。
This clears the compiled version of the specified template resource, or all compiled template files if one is not specified.
稳定蠕变应变率本构方程是作用在盐岩上的应力偏量的幂次函数和能量与温度的指数函数。
The steady-state creep strain rate is a power function of deviatoric stress and exponential function of temperature and energy.
本小节向您介绍如何从一个UML模型中创建 C++内联函数。
This section tells you how to create C++ inline functions from a UML model.
本小节将向您介绍如何从一个UML模型中创建 C++友函数。
This section tells you how to generate C++ friend functions from a UML model.
本教程还展示如何使用标量函数从date列计算和提取信息，例如星期几和月份。
This tutorial also shows how to use scalar functions to calculate and extract date information, such as day of week and month name, from date columns.
本小节研究了一些重要的api函数(后面将将演示它们的使用)。
This section explores some of the important API functions (and later demonstrates their use).
随后我们用错误码调用exit()函数；对于本实用程序，我们已经选择了对每个不同错误条件返回不同数字。
Then we call the exit() function with an error code; for this utility, we've chosen to return different numbers for every different error condition.
在本教程中，GoogleMapsAPI提供了地图和地图绘制函数。
In the tutorial, the Google Maps API provides the map and mapping function.
本教程讨论了什么是XQuery函数，它们的优点是什么，以及如何实现它们。
This tutorial covers exactly what XQuery functions are, their advantages, and how to implement them.
这些函数均定义在文件wp-includes/pluggable.php中，如下是其清单（在2.1版本中）；
These functions are defined in file wp-includes/pluggable.php.
因为本实例没有任何特殊的构造函数、操作、属性或引用，所以不需要这些调用。
This instance doesn't have any special constructors, operations, attributes, or references, so these calls aren't required.
在本示例中，您并未在构造函数中提供命名用户的列表，因此返回的表将为配置表，而不是权限表。
In this example, you are not supplying a list of named users in the constructor, so the table returned will be a configuration table, not a permissions table.
在某些方面，生成器就象本专栏前面文章讨论的函数型编程中的“终止”(参见参考资料)。
In some ways, a generator is like the closures which were discussed in previous installments of this column discussing functional programming (see Resources).
正如本专栏关于函数型编程的部分文章中所评述的，程序流的方法风格相对来说容易出错并且难以维护。
As this column's installments on functional programming have observed, the recipe style of program flow is comparatively error-prone and difficult to maintain.
因为如果不注册该函数，它只是可供包含它的本php页面或其他php页面调用的简单php函数。
Because if you don't register the function, it is a simple PHP function that is available only to this PHP page or other PHP pages that include this one.
DB 2xml内置函数——本小节讨论新的DB 2函数。
DB2 XML built-in functions - This section discusses the new DB2 functions.
Domino6本身支持xml函数和解析调用。
Domino 6 natively supports XML functions and calls for parsing.
本示例中的其他行定义了stats函数、调用了函数，并输出了结果。
The rest of the lines in the example define the stats function, call the function, and print out the results.
典型的程序有一个main函数，其中LKM包含entry和exit函数(在2.6版本，您可以任意命名这些函数)。
A typical program has a main, where an LKM has a module entry and exit function (in version 2.6, you can name these functions anything you wish).
jQuery 1.3版本的另外两个强大的新特性是live和die函数。
Two of the great new additions to the 1.3 version of jQuery are the live and die functions.
本方法以实际系统的输入输出信号为依据，实现系统建模，用被控对象传递函数的逆作为串联控制器来对系统的动态特性进行控制。
Using the input and output signal, the method can model the system, and can control the dynamical property of the system with the inverse transfer function of the controlled object as the controller.
事实上，我们可以做这种代换而仍能绕弯得出正确的本征函数和本征值。
In fact, we could make the substitution and still wind up with the correct eigenfunctions and eigenvalues.
在3.1版本中，删除一个组件将和它的容器组件一起删除，从而大大提高了性能和优化了处理函数。
In 3.1, destroying a component also removes the component from it's container, greatly improving performance and optimizing other functions that were being executed.
在3.1版本中，删除一个组件将和它的容器组件一起删除，从而大大提高了性能和优化了处理函数。
In 3.1, destroying a component also removes the component from it's container, greatly improving performance and optimizing other functions that were being executed.
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