A fault handler is an optional part of a scope or invoke activity.
错误处理程序是范围或调用活动的可选部分。
Again, the return messages are an optional part of a sequence diagram.
此外，返回消息是序列图的一个可选择部分。
The WSDL document location is the only optional part of this endpoint definition.
WSDL文档位置是这个端点定义中惟一的可选项。
The service provider catalog is an optional part of the service discovery process.
服务提供者目录是服务发现进程中的一个可选的部件。
Sealing ring is fitted on pump body, while impeller sealing ring is an optional part.
设有泵体密封环，而叶轮密封环为可选用件。
Pre-spreading part and centering device are optional parts, suit for edge curling fabrics.
可选装预扩幅、归中等部件，适用于卷边的织物。
Moreover, positioning air cylinder is an optional part, easier and more accurate fof positioning.
另外可选配定位气缸，工件定位方便、准确。
The position of the front wheel turning table(optional part )is adjustable so that the side slide plate can be fit for more cars.
前轮转角（选购件）位置可调，加长双级后轮滑板，适合各种车形。
The new method selects the optional part of the task in light of priority of energy density offline, which can optimize system performance.
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；
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
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.
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。
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.
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。
Advanced radiating system prevents the work piece from being affected by temperature and extends service life of the strip lamp. Quartz light filter can be selected as an optional part.
先进的散热系统，确保工件不受温度影响，延长灯管的使用寿命。
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.
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。
The version shown at the end of the package is optional and designates a version number to the package exported as part of this bundle.
在包的末尾显示的版本是可选的，分配一个版本号给导出的包作为这个捆绑包的一部分。
The simplicity and obviousness of “we become by doing“ underscores the reality that so many of us behave as if the doing part was optional.
“我们成就于行动”这句话简单明了的说明了这个现实，即许多人都觉得实践部分是可以选择的。
The SOAP specification describes that a SOAP envelope can contain an optional header part.
SOAP规范描述了SOAP信封可以包括一个可选的消息头部分。
Next comes the interesting part: the COMMENT database column, which represents the optional XML element.
接下来的部分比较有趣：COMMENT数据库列，它代表可选的XML元素。
The message part name is mandatory for interface typed variables, and optional for data typed variables.
消息部分的名称对于接口类型的变量是必需的，对于数据类型的变量是可选的。
The sig part of a signal name is optional.
信号名称中的SIG部分是可选的。
For data typed interfaces (Business Objects), the part name is optional.
对于数据类型的接口(业务对象)，部分名称是可选的。
An optional fourth part involves notification as a printing task progresses.
第四部分是当打印任务有进展时进行通知，这部分是可选的。
You may recall from Part 1 that the UUID is mandatory and the service name is optional for all Bluetooth servers; however, we specified that the service name for our service would be "FTP."
您可能从第1部分回忆起来，对于所有的蓝牙服务器来说，UUID是必需的，服务名称是可选的；但是，我们为服务指定的服务名称是“FTP”。
When embedding a Part into an application or a Plug-in into a Part, the two XML trees are merged using optional predefined merging points in the hosting application.
当将Part嵌入应用程序或将Plug - in嵌入Part时，使用托管应用程序中的可选预定义合并点来合并这两个xml树。
Bad: Sometimes a schema indicates that a data item is optional when some other part of the system downstream fails without the data. Here is an optional element in XML schema.
不好的方法：有时候模式中会指示数据项为可选，但系统中其他的部分却可能因为这部分数据的缺失而失败。
Is a constant delimiter, followed by the optional name of the message part to be accessed.
是一个常量分隔符，后跟要访问的消息部分的可选名称。
IPSec is an integral part of IPv6 while IPv4 support for IPSec is optional.
IPSec是IPv 6不可或缺的部分，而对IPSec的IPv 4支持是可选的。
Is the reference implementation for JSR-170. It is part of the Apache foundation and provides level 1, 2 and optional functionality.
它是JSR- 170的参考实现，Apache基金的一部分，提供级别1,2和可选功能。
Is part of the eXo platoform and contains all the mandatory features required by the specification and several optional ones.
它是eXo platoform的一部分，包含规范要求的所有强制特性和几个可选特性。
Is part of the eXo platoform and contains all the mandatory features required by the specification and several optional ones.
它是eXo platoform的一部分，包含规范要求的所有强制特性和几个可选特性。
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