optional parameters

The sendRequest function has three optional parameters as well.

sendRequest函数也有三个可选参数。

Specify values for required parameters and for any optional parameters you select.

请为必选参数和所选的可选参数指定值。

Some functions contain optional input parameters, which you can add or remove as needed.

一些函数包含可选的输入参数，可以根据需要添加或删除它们。

You can see that there are many optional parameters.

可以看到，这里有许多可选参数。

Interestingly, the task itself is a servlet and what you throw onto a queue is a URL, along with optional parameters.

有趣的是，任务自身是一个servlet，您放在队列上的是一个URL以及可选参数。

This is an attributes object that can contain various optional parameters.

这是一个包含各种可选参数的属性对象。

As discussed in the previous article in this series, the square brackets ( []) enclose optional parameters.

如本系列的上一篇文章所述，方括号（[]）包括可选参数。

In addition to the problems that Java and C# have with the late binding and optional parameters so heavily used by the COM object model, there is the insistent need to release COM objects.

除了Java和C的后期绑定以及COM对象模型会过度使用可选参数的问题外，还有一定释放COM对象的要求。

Typing-help in the Optional Parameters field will list further runtime options.

在Optional Parameters字段中键入-help将列出更详细的运行时选项。

We could then turn the optional parameters into either a single string or a set of POSTed parameters as necessary.

然后，必要时可以将可选参数转换成一个字符串或一组POST参数。

We still have the problem of those optional parameters.

对于我们来说，那些可选参数仍然有问题。

The square brackets ( [ and]) enclose optional parameters.

方括号（[和]）中的是可选参数。

The paper optimized the optional parameters and controllable parameters during the machining of the hypoid gear with the hypoid format tilt so as to effectively eliminate its third order contact shortcomings and realize its engagement quality control.

本文对刀倾法加工准双曲面齿轮过程中可选加工参数以及预控参数进行优化，有效地消除准双曲面齿轮的三阶接触缺陷，实现准双曲面齿轮的质量控制。

For an example of a suitably formatted CSV file, see the examples in "example of a CSV file with optional parameters populated" earlier in this topic.

有关格式正确的csv文件的示例，请参阅本主题前面内容中的“填充了可选参数的csv文件示例”中的示例。

Different templates take a different number of optional parameters.

不同的模板接受不同数量的可选参数。

This paper, based on the DSRC protocol basic specification, proposes the selection and setting of the corresponding optional parameters in physical layer, data link layer and application layer for ETC ( electrical toll collection) application.

根据领域中专用短程通信（）协议的基础规范，设计出应用于电子收费系统的物理层、数据链路层和应用层相关参数ITSDSRCDSRC选定和设置。

C# is not the only language adding support for optional parameters.

C并不是唯一一个支持可选参数的语言。

Where command is the YQL command and query parameter represents optional parameters to the service.

其中command是YQL命令，query parameter表示服务的可选参数。

Silicon carbide whiskers were synthesized used carbon black and SiO_2 powder as raw material by double-heating technique and the optional parameters were suggested.

以炭黑和SiO2微粉为原料，利用双重加热炉合成了碳化硅晶须，提出了合成工艺的优化参数。

ActionScript lets you have optional parameters, but they must have default values to use.

ActionScript允许有可选参数，但必须有可用的缺省值。

Fortunately, an Ant task has been written to do this very thing for JMeter: it executes load tests while providing a way to pass in optional parameters and properties.

幸运的是，已经有人编写了一个Ant任务来为JMeter做这件事：它执行负载测试，同时提供了一种传入可选参数和属性的方式。

The purifying process, basic working principle and optional design parameters of the equipment are stated.

阐述了该方法的净化过程、基本作用原理和装置的最佳条件实验研究。

In languages that support optional parameters ( VB, C# 4+) this is done via the natural syntax.

在支持可选参数的语言中（VB，C4），可以通过语言本身实现。

It keeps the advantage of the internal mode controller and features simple operation with no extra optional parameters.

它能保持原内模控制的优点，且附加运算简单，不增加可选参数。

How do I pass optional parameters?

如何传递可选参数？

You can bypass entering a value for optional parameters by pressing the return key, as shown in the example below.

您可以通过按回车键，绕过可选参数值的输入，如以下示例所示。

Most job types have one or more required or optional parameters.

大多数作业类型都拥有一个或多个必需或可选参数。

A series of data are evaluated by means of Analytic Hierarchy Process so that the optimal plan is obtained, which includes optional parameters, AIC technology.

接着通过对三峡右岸电站岩石爆破试验的结果进行分析和整理，取得了一系列的爆破数据，运用层次分析法对这些数据进行处理，得到最优方案。

You provide the recipient's phone number and the text to send, and pass nil for the optional parameters.

您提供接收者的电话号码和要发送的消息，并为可选参数传递nil。

This pattern may also be used when the addition of optional parameters can speed up the processing of the service request.

当添加可选参数能够加速服务请求的处理时，也可以使用这种模式。