因为模型是系统定义的一部分，比起文档，它们从不会过时，而且是可靠的。
Because models are part of the system definition, rather than documentation, they are never out of date and are reliable.
对于包含SOA项目的相关数据的各个系统，规范化数据模型为关键实体、它们的属性和关系提供一致的定义。
A canonical data model provides a consistent definition of key entities, their attributes and relationships across the various systems that hold relevant data for the SOA project.
OS OA组织的宗旨是定义一组核心规范来描述一个语言无关的模型，以便使用面向服务的体系结构来构建应用程序和系统。
The OSOA organization's charter is to define a core set of specifications that describe a language-neutral model for building applications and systems using a Service Oriented Architecture.
椭圆体模型是空间引用系统定义的第一部分。
The ellipsoid model is the first part of a spatial reference system definition.
按照这个定义，模型是关于系统的描述。
According to this definition, a model is a description of a system.
面向对象的模型将系统定义为一组交互的主动和被动对象的集合。
The object-oriented model defines a system as a collection of sets of interacting active and passive objects.
不过，由于任何逻辑模型都无法枚举出所有可能性，一旦任何开发人员使用不同的方法定义了一个系统，则此类模型将无法使用。
However, since any logic models cannot enumerate all possibilities, such a model will fail once any developer defined a system using a different approach.
sam定义scsi系统模型、SCSI标准集的功能性分区，以及适用于所有scsi实现和实现标准的需求。
SAM defines the SCSI systems model, the functional partitioning of the SCSI standard set, and the requirements applicable to all SCSI implementations and implementation standards.
CIM不显示任何系统细节，通常被叫作域模型，因为它是由业务需求定义的。
A CIM does not show any system details and is often called the domain model because it is defined by business requirements.
如果EIS(企业信息系统)的类型是CICS，那么您填充之前定义的模型对象(如本文第一部分中介绍的)。
If the EIS (enterprise information system) type is CICS, you populate the model objects that you defined earlier (described in the first part of the article).
开发成熟度模型，例如CMMI，它们定义了由软件和系统开发组织执行的过程。
Development maturity models such as CMMI, which define processes that are executed by software and systems development organizations.
定义了“公共实体”模式的公共信息模型将成为这个类型系统中一个必不可少的部分。
The common information model that defines the schemas of the "common Entities" will be an essential part of this type system.
狭义上讲，它是关于一个系统的不同的抽象模型，和在模型之间的定义良好的模型转换。
In the narrowest sense, it is about different abstract models of a system, and well-defined model transformations among them.
在大部分业务环境中，流程模型不仅创建用于描述新功能，还用于定义这些功能如何连接到现有系统。
In most business environments, process models are created not only to describe new capabilities, but also to define how those capabilities interface to existing systems.
在云计算定义的模型中，把特定的服务分配给系统，通过网络访问这些系统。
Cloud computing defines a model where specific services are assigned to systems that are accessed through a network.
信息模型——应用程序在子系统的基础上定义其信息模型。
Information model — An application defines its own information model on top of its subsystems.
连接点模型是AOP中最基本和最独特的概念，它定义了系统中哪个连接点是公开的，以及如何捕获它们。
The join point model, the most fundamental and distinguishing concept in AOP, defines which join points in a system are exposed and how they are captured.
通过分解聚集和继承层次结构，您简化了模型，在定义子系统时使其更易分析。
By collapsing aggregation and inheritance hierarchies, you simplify your model, making it easier to analyze when you define subsystems.
音乐、声音、脚本系统、自定义模型以及测试都获得了许多外界的帮助。
The music, voice, scripting systems, custom models, and testing had a lot of outside help.
最终，您将达到数据模型的实现阶段，并定义系统可以管理的所有方面。
Ultimately, you'll reach the implementation data model that defines all the aspects that the system can manage.
以一中定义良好的符号表示的模型是理解企业级方案系统的基础。
Models expressed in a well-defined notation are a cornerstone to understanding systems for enterprise-scale solutions.
创建一个业务模型以捕获“目前的”系统的情况可以是非常快速的任务并能够产生有用的分析线索，这些线索将简化对“将来的”系统的定义。
Creating a business model to capture the "as is" system can be a fairly quick task and can yield useful analysis clues that will simplify definition of the "to be" system.
循环地对子系统定义层和内部设计应用这些原则可形成一个完整、一致的架构工程模型。
Recursively applying the principles to the level of subsystems definition and internal design results in a complete, consistent engineering model of the architecture.
J2ME技术在一个完整的应用程序运行时模型中定义了这种模块性和可伸缩性，在该模型中的四个软件层都构建在设备的主机操作系统上。
This modularity and scalability is defined by J2ME technology in a complete application runtime model, with four layers of software built upon the host operating system of the device.
针对新数据类型的数据模型扩展性，支持系统和用户所定义的元数据。
Data model extensibility for new data types, and support for system and user defined metadata.
具有定义良好的身份验证和授权的企业CRM系统与企业后端办公室系统间的集成通常采用此模型。
Integration between a enterprise CRM system, with well defined authentication and authorisation, and enterprise back office system often follow this model.
但是这些新解决方案必须要适应某些清晰定义的系统，这些系统必须已经在一个运维模型下明确地界定出来。
But these new solutions have to fit a clearly defined systems need that has been spelled out in an operational model.
或者，如果系统具有数据模型，那么根据此定义，资源表示形式是系统的数据模型中的对象之一的属性快照。
Or, if the system has a data model, then according to this definition a resource representation is a snapshot of the attributes of one of the things in your system's data model.
后续支持级别模型：将对定义阶段开发的支持和控制模型的任何更新进行系统化。
Ongoing support levels model: Codifies any updates to the support and governance model developed in the Define phase.
RUP将模型定义为系统的抽象表示或模拟，可从特定的角度提供对系统的完整描述。
RUP describes a model as an abstract representation or simulation of a system that provides a complete description of the system from a particular perspective.
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