序列图是如此好用的理由是，因为它按照交互发生的时间顺序，显示了系统中对象间的交互逻辑。
The reason the sequence diagram is so useful is because it shows the interaction logic between the objects in the system in the time order that the interactions take place.
这幅图显示了包含展示顺序进程系统的结构部分的UML类图。
This figure shows a UML class diagram containing some structural elements that represent an order processing system.
他们刚好掌握了足够的统一建模语言(uml)来合理的绘制类图或者顺序图从而传达他们的系统的结构。
They learn just enough Unified Modeling Language (UML) to make reasonable class or sequence diagrams that communicate their system's structure.
图1说明了此示例系统中的用例，图2的活动图表中介绍了其中用例的执行顺序。
Figure 1 illustrates the use cases in this sample system, and the sequence in which the use cases are executed is shown in the activity diagram in Figure 2.
我们将验证工作与系统设计结合起来，设计和开发了针对UML顺序图的自动验证工具原型。
To combine the verification with system design, a prototype of automatic verification tool for UML sequence diagrams has been designed and developed.
本文介绍了一种标识流图在顺序控制系统中建模方法，然后利用可编程序控制器中的步进指令实现控制。
The paper introduces a method of establishing model using mark flow graph in sequence control system. Then the control is implemented by step-by-step instruments in PLC.
软件编程方法采用顺序控制设计法，并根据此方法设计了压块机自动控制系统的梯形图。
As for the software design, the paper takes advantage of the sequence controlling design programming, and designs the ladders diagram of the automatic controlling system with this method.
系统中采用了活动图、 用例图、顺序图、交互图和类图建立沉积相建模系统的分析和设计模型。
The activity diagram, use case diagram, sequence diagram, collaboration diagram and the class diagram are used for building the analysis and design model of the sedimentary facies modeling system.
UML顺序图反映了系统中并发对象之间的消息交互及顺序，在软件建模中占有重要地位。
UML sequence diagrams reflect the interaction and sequence of messages among concurrent objects in the system, and hold the important position in software modeling.
在总结研究现状的基础上，以应用举例的方式提出一种从描述系统用例间顺序依赖关系的活动图和用例实现的活动图中获取系统功能测试线索的方法。
Based on summarizing status of these researches, a method on how to derive test scenarios from the activity diagram of the actor is described that represents use case sequential dependencies and acti.
建立了系统的动态视图即系统总体流程活动图、系统凭证处理顺序图、系统账簿活动图。
The dynamic diagram of the system viz. systematic general process activity diagram, systematic vouchers processing sequence diagram and system account book activity diagram are set up.
在代收货款信息处理系统详细设计这部分，主要以uml表现形式的用例、顺序图、类图来叙述整个设计过程。
In the detail design part of the information processing system of collection payment, this thesis used UML use case, sequence diagram and class diagram to describe the entire design process.
系统具有以下特点：自动显示和绘出心外膜激动顺序图；网套电极对53个区全部采样；
The main features of the system are as follows: computer real-time mapping of several points sampling of 53 points of epicardium;
系统具有以下特点：自动显示和绘出心外膜激动顺序图；网套电极对53个区全部采样；
The main features of the system are as follows: computer real-time mapping of several points sampling of 53 points of epicardium;
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