Drag the message set into a valid target combined fragment.
将消息集合拖拉到一个有效的合并片段。
Drag the message set into an invalid target combined fragment.
将消息集合拖拉到无效的目标合并片段。
The message set is then reordered into the combined fragment.
消息集合也会重新排序到合并的片段中。
Left-click and drag the selected message into a combined fragment.
左击并将选择的消息拖拉到合并的片段中。
If you want to show several alternative interactions, use an 'Alt' combined fragment.
如有想显示在不同条件下几种不同的交互，可以使用alt联合片段。
Create an Option Combined Fragment over the user and contact lifelines, and name it set name.
在这个用户和联系人生命线上方创建一个OptionCombined Fragment，并为它命名为setname。
A combined fragment is used to group sets of messages together to show conditional flow in a sequence diagram.
一个组合碎片用来把一套消息组合在一起，在一个序列图中显示条件分支。
If the combined fragment is not a valid container of the selected message set, no feedback line will appear.
如果合并的片段不是有效的选择消息集合的容器，那么回馈直线就不会出现。
The operator of the combined fragment is 'loop' and the guard represents the condition to control the repetition.
联合片段的操作者（operator）是’loop’，警戒条件代表控制重复的条件。
If you want to show that multiple messages are sent in the same iteration, a 'loop' combined fragment can be used.
如果想要显示多个消息在同一个重复过程中发送，则可以使用一个loop联合片段。
An interaction operand is a container that groups your interaction fragments in a combined fragment within a sequence diagram.
交互操作是一种容器，它在时序图中以合并片断的方式对您的交互片断进行分组。
UML 2 has addressed this problem by removing the "in-line" guard and adding a notation element called a Combined Fragment.
UML2已经通过去掉“in - line”约束，增加一个叫做组合碎片的符号元件，解决了这一个问题。
The combined fragment is considered valid if all of the message set's covered lifelines are also covered by the combined fragment.
如果合并的片段同样涉及到了所有消息集合的生命线，那么合并的片段就会被认为是有效的。
Within the set phone number option combined fragment, create a Synchronous Message from user to contact and select create New Operation.
在setphonenumber组合选项部分中，创建一个从用户到联系人的SynchronousMessage，并选择CreateNewOperation。
When reordering a message set into a combined fragment, the tool first checks whether the target combined fragment is a valid container of the message set.
在工具重新排序消息集合到合并片段时，它会首先检查目标合并的片段是否是消息集合有效的容器。
If the combined fragment is a valid container of the selected message set, a dotted line will appear, showing you exactly where the message will be dropped (Figure 4).
如果合并的片段是有效的选择消息集合的容器，那么回馈直线就会出现，显示出消息被拖拉到的精确位置(图4)。
We then draw the other message events in the desired order, using a Parallel Combined Fragment to show the possible parallelism, after which it should look about like Figure 23.
随后按照所需顺序绘制其他消息事件，使用ParallelCombined Fragment显示可能存在的并行性，绘制完成后应如图 23 所示。
We then draw the other message events in the desired order, using a Parallel Combined Fragment to show the possible parallelism, after which it should look about like Figure 23.
随后按照所需顺序绘制其他消息事件，使用ParallelCombined Fragment显示可能存在的并行性，绘制完成后应如图 23 所示。
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