这个练习的可选部分也完成了。
错误处理程序是范围或调用活动的可选部分。
A fault handler is an optional part of a scope or invoke activity.
还有相当奇怪的是，只有一个课程涉及XML，还是可选部分。
And, quite surprisingly, only 1 course mentioned XML, which was in an optional module.
ChildTags是一个可以向库定义中标签添加的可选部分。
Child Tags is an optional section that may be added to a tag in a library definition.
将所有所需的部分——以及您选择的所有可选部分——下载到同一个临时目录下。
Download all required parts — and any optional parts that you choose — to the same temporary directory.
这并不是因为JTS是J2EE中不重要的部分或者可选部分——恰恰相反。
This is not because JTS is an unimportant or optional portion of J2EE — quite the opposite.
该算法在离线阶段根据能量密度的优先级来选择要执行的任务的可选部分，达到静态性能最优；
The new method selects the optional part of the task in light of priority of energy density offline, which can optimize system performance.
如果您决定过后再添加更多的可选部分，那么下载附加可选部分，并在试图安装之前重新运行提取工具。
If you decide later to add more optional parts, download the additional optional parts and rerun the extraction tool prior to attempting the installation.
概念车取代其回一部分的对接系统，可以改变不同类型的可选部分像一个高容量的电池或其他乘客座位。
The concept vehicle displaces its back part with a docking system, which can be altered by different types of optional parts like a high capacity battery or another passenger seat.
开关类似于模板中的可选部分，只出现在开关设定的情况下，如果开关没有设定，开关标记的中间部分模板将不会被显示。
Switches are like "optional" parts of the template. They only appear if the switch is set. If the switch is not set, it's simply not shown.
这是文件的可选部分，它将文件识别为XML 文件，有助于工具和人类识别 XML（不会误认为是SGML或其他标记）。可以将这个声明简单地写成
This optional part of the file identifies it as an XML file, which can help tools and humans identify the file as XML rather than SGML or some other markup.
这是 2.0 中新增加的函数，也可用于测试本系列 第 3部分所述的三个可选特性模块：模式感知、向后兼容和序列化。
New for 2.0, this function can also test for all three optional feature modules described in Part 3 of this series: Schema Awareness, Backwards Compatibility, and Serialization.
有些结对编程者认为轮换是实践中可选的部分，而且在小型团队或者是没有几个程序员愿意结对的团队中，可能没有其它的选择。
Some pair programmers regard rotation as an optional part of the practice, and on a small team, or with few programmers willing to pair, there might be little alternative.
函数也是可选的部分。
SOAP规范描述了SOAP信封可以包括一个可选的消息头部分。
The SOAP specification describes that a SOAP envelope can contain an optional header part.
接下来的部分比较有趣：COMMENT数据库列，它代表可选的XML元素。
Next comes the interesting part: the COMMENT database column, which represents the optional XML element.
每个标准都有可扩展的程度、可选的部分和含糊之处，这些将导致其实现在功能上的不同。
Each standard has extensibility points, optional sections, and ambiguities which contribute to divergence in functionality of implementations.
信号名称中的SIG部分是可选的。
此部分描述了可以在解决方案中使用的两个可选的体系结构。
This section describes the two alternative architectures that can be used in the solution.
可选功能是产品线的部分成员中存在的需求，替代功能是产品线的部分成员从中进行选择的需求。
Optional features are requirements that are present in some members of the product line, and alternative features are requirements that some members of the product line choose from.
对于数据类型的接口(业务对象)，部分名称是可选的。
For data typed interfaces (Business Objects), the part name is optional.
除此之外，服务所使用的任何复杂数据类型必须在一个可选的部分里面被定义，而部分必须直接放在部分之前。
In addition, any complex data type that the service USES must be defined in an optional section immediately before the section.
是一个常量分隔符，后跟要访问的消息部分的可选名称。
Is a constant delimiter, followed by the optional name of the message part to be accessed.
声明部分也是可选的；如果没有使用- t选项调用gperf，则完全可以忽略声明部分。
The declarations section is also optional; you can omit it entirely if you don't invoke gperf with the -t option.
iptables命令的可选match部分指定信息包与规则匹配所应具有的特征（如源和目的地地址、协议等）。
The optional match section of the iptables command specifies the characteristics that a packet should have to match the rule, such as source and destination address, protocol, etc.
IPSec是IPv 6不可或缺的部分，而对IPSec的IPv 4支持是可选的。
IPSec is an integral part of IPv6 while IPv4 support for IPSec is optional.
探测脚本包含一个声明部分（可选），然后是一个或多个子句。
A probe script is made up of a declaration section (optional), followed by one or more clauses. Probe script layout is
部分是可选的，因为静态方法被调用时不需要对象引用。
part is optional because static methods are invoked without the need for an object reference. Again, it's easiest to see this illustrated by example, in Listing 11
至少需要安装sndpeek程序的一半功能，因为3-D显示部分的代码是可选项，可以不安装。
You will need at least a semifunctional installation of the sndpeek program, as the 3-D display portion of the code is not required.
每一个可以没有任何部分，或者有多个部分，每个部分都有一个名字和可选的类型。
Each can have zero or more parts, and each part can have a name and an optional type.
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