为案例研究产生一个外部系统模型。
通过试验，验证了系统模型。
这个系统模型对分析师和设计者都很清晰且易于理解。
The system model is clear and easy to follow for both the analyst and the system designer.
表1描述了对任何软件系统模型都应该有用的一组视角。
Table 1 describes a standard collection of viewpoints that should be useful to any software system model.
适当的模型与详细的系统模型和高级业务模型截然不同。
The appropriate models are quite distinct from both detailed system models and high-level business models.
表1.使用通用类型建立图书馆系统模型的范例代码。
Listing 1. Sample code for the library system modeled using generics.
此类变体可能源于系统模型的差异或者客户层的擅自变更。
Such variations might be caused by a gap in the systems model or by a unilateral change in the client layer.
同样的，懂得如何构思和建立这样的系统模型是十分重要的。
As such, it's important that you know how to conceive and model such systems.
我们的系统模型涉及许多模型文件，每个都是.emx文件。
Our system's model was referring to several model files, each an.emx file.
描述外部系统模型是如何被应用到对外部软件系统进行建模上来的。
Describe how the external system model is used to model external software systems.
首先介绍了子网物理拓扑发现算法的相关定义和系统模型。
Firstly, it introduces related definition and system model of Subnet physical topology discovery algorithms.
介绍了异构网络物理拓扑发现算法的相关定义和系统模型。
This paper introduces related definition and system model of physical topology discovery in heterogeneous network.
为您提供将用户接口和系统模型链接起来的能力，使您更容易地找到错误。
Gives you the ability to link the user interface and the system models, enabling you to find errors more easily.
我们能够通过如何表示目标平台的各个方面的术语对软件和系统模型进行分类。
We can classify software and system models in terms of how explicitly they represent aspects of the platforms being targeted.
这就像生物系统模型101：先研究一种容易研究的动物，然后再以此作出推断。
It's Model Biological Systems 101: study an animal that's easy to study, and then extrapolate.
业务与系统模型间形式化跟踪的引入可以让我们理解业务所需的改变对系统的影响。
The introduction of the formal traces between the business and the system models allow development to understand the impact on the system (s) caused by a change in the business needs.
如果你计划在将来的项目中重用你的系统模型的某些部分，考虑对分析模型进行分层。
Consider having layers of analysis if you plan to reuse aspects of your system model in future projects.
不幸的是，这使得从“用户模型”追溯到系统模型中的系统参与者是困难的。
Unfortunately, this makes it difficult to trace such "user models" to the System Actors in the System model.
利用系统用例实现和业务用例实现间的依赖性将业务模型与系统模型连接起来。
Link the Business Model to the System Model by means of dependencies between the System Use Case Realizations and the Business Use Case Realizations.
在一种以模型为中心的方法中，系统模型具有足够的细节能够从这些模型中生成整个系统的实现。
In a model-centric approach, the system models have sufficient detail to enable the generation of a full system implementation from the models themselves.
这些需求不仅用于为服务模型中的服务创建SLA(前一步骤)，也用于作为操作系统模型的输入。
These are not only used to create SLAs for the services in the service model (in the previous step), but also are used as inputs into the operational system model.
并在此基础上提出了一个新的更为理想的设备评估与采购决策系统模型，并对其进行了分析和探讨。
the task also puts forward a more advanced system model and makes corresponding analysis and discussion.
用户接口和系统模型之间的关联考虑到更有效的检查，因此导致在开发周期中，更早地找到更多错误。
The links between the user interface and the system models allow for more efficient reviews, thus resulting in more errors found earlier in the development cycle.
这些功能出自Robert V.Binder 的测试面向对象的系统模型、模式和工具 。
These capabilities are taken Testing Object-Oriented Systems Models, Patterns, and Tools , by Robert V. Binder.
在本部分中，我们将讲述如何将外部的系统模型作为“中间会合”方法的自底向上跟踪的一部分来使用。
In this part, we'll cover how you can use an external systems model as part of the bottom-up track of the "meet-in-the-middle" approach.
jsp和jsd，经常在大学软件设计课程中教授，有相当丰富的记号，并伴随着构造一个系统模型的语义学。
JSP and JSD, often taught in university software design courses, had a fairly rich notation and accompanying semantics for constructing a system model.
jsp和jsd，经常在大学软件设计课程中教授，有相当丰富的记号，并伴随着构造一个系统模型的语义学。
JSP and JSD, often taught in university software design courses, had a fairly rich notation and accompanying semantics for constructing a system model.
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