这意味着系统的性质，用以描述系统的性质，不随时间或空间改变。
It means that the properties of the system, the properties that describe the system, don't change in time or in space.
执行体系结构视图描述系统的动态结构。
Execution architecture view Describes the dynamic structure of the systems.
该规范实际上是一个描述系统行为的测试。
This specification is actually a test that describes the behavior of your system. Here's the flow for development with RSpec
用例描述：用文字描述系统提供的主要功能。
Use case descriptions: Textual descriptions of the major services provided by the system under discussion.
这些困惑一部分是源于描述系统所用的不同术语。
Part of the confusion comes from the varying terminology used to describe bits of the system.
一个界面应当为用户提供描述系统状态的有效反馈。
An interface should provide meaningful feedback that describes the state of the system to users.
参与的每个人都能清晰地理解用于描述系统的概念。
Everybody involved will have clear understanding of the concepts used to describe the system.
角色定义：用文字描述系统功能，和系统所需的服务。
Actor definitions: a textual description of the requestors of services provided by your system, and services provided to your system.
SV - 7系统性能参数矩阵描述系统要素的性能特征。
SV-7 system performance Parameters matrix Describes performance characteristics of system elements. Model resident text matrix.
概念体系结构视图从主要设计元素及元素间的关系方面描述系统。
Conceptual architecture view Describes the system in terms of its major design elements and the relationships among them.
用例图：可视化的描述系统用户，和系统为用户提供的服务。
Use case diagram: A visual representation of system users (actors) and the services they request from the system.
业务分析人员开始编制需求，还利用业务过程模型来描述系统的功能需求。
The business Analyst begins to document requirements, using business process models to describe functional requirements of the system as well.
例如，一个CDD文件可以被用于调用所有描述系统级测试的SDD文件。
For example, a CDD file could be used to call all of the SDD files that represent a System Level Test.
如果你已习惯于用代码描述系统，那么需要阐明所有编程接口和对象模型。
If you are used to modelling your software in code, you would do this typically by crafting some programming interface and a whole object model to describe it.
我还具备一个描述系统行为的文档，这是进行一系列测试的好起点。
I also have documentation, describing the behavior of the system, and a good start at a test suite. Each test case backs up a fundamental requirement in the system.
策略描述系统将如何对某些组合中或在某些时间发生或未发生的事件做出反应。
The policies describe how your system will react to events occurring or not occurring in certain combinations or at certain times.
我一直在鼓吹上述方法可以作为正式描述系统概念与应用程序架构的一种方法。
I advertise the above approach as a way to formally describe your system's conceptual and application architecture.
尽管功能性需求描述产品的功能，非功能性需求描述系统特性，如。
Whereas "Functional" requirements specify the features of the product, "Non-Functional" requirements specify system characteristics such as.
我在介绍性专栏中曾经解释过，序列图用于描述系统随时间而产生的内部行为。
As I explained in my introductory column, sequence diagramming is used to depict the internal behavior of a system over time.
分析模型确定出系统中的主要类，并且包含一组描述系统如何构建的用例实现。
The analysis model identifies the main classes in the system and contains a set of use case realizations that describe how the system will be built.
那么这个小练习将清楚地表明为了描述系统模态，刚体模态必不可少。
This little exercise will then clearly show that the rigid body modes are critically needed to describe the modes of the system.
用例既应该描述参与者是如何与系统交互的，也应该描述系统如何响应这些交互。
Your use cases should describe both how your actors interact with your system and how your system responds to those interactions.
目标也是描述系统运行时的组织结构和部署架构，并维护架构的一致性和完整性。
The goal is also to describe the organization of the system's run-time and deployment architecture, and to maintain the consistency and integrity of the architecture.
业务策略描述系统将如何对某些组合中或在某些时间发生或未发生的事件做出反应。
Business policies describe how your system will react to events occurring or not occurring in certain combinations or at certain times.
这是一个面向对象的软件项目，使用UML来描述系统中的各种概念与关系。
This will be an object-oriented project using the Unified Modeling Language (UML) to represent concepts and relationships.
此后我们将建立模型，描述系统如何提供预订的总括信息，包括提供购买保护产品等等。
After this we would model how the system presents the summary information on the reservation, including offers to purchase protection products, etc.
什么是我们将要问的问题来确认这个团队是否真正应用了用例并从功能性的观点来描述系统。
What are some questions we might ask to determine if the team really USES use cases to describe the system from a functional viewpoint?
只有在您充分了解了外部系统行为(在企业层)之后，您才能继续详细描述系统视图。
Only after you fully understand the external systems behavior (at the enterprise level) do you proceed with the elaboration of the systems View.
这个层中的流程位于系统边界之外，并不描述系统功能，因此不需要对应的系统用例。
The processes in this layer lie outside the system boundary, and don't describe system functions, so there's no need for a corresponding system use case.
测试人员的主要目标是能够客观地描述系统的当前状态，并且能够将该状态与以前的状态进行比较。
The primary goal of testers is to be able to objectively describe the current state of the system and to be able to compare this state with the previous state.
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