大多数面向对象语言均支持信息隐蔽的数据抽象和封装。
Most object-oriented programming languages support data abstraction and encapsulation for information hiding.
与其他某些数据集成模型不同的是，SDO没有停留在数据抽象上。
Unlike some of the other data integration models, SDO doesn't stop at data abstraction.
OOP可以象数据抽象那样简单，也可以象公司范围的方法学那样复杂。
OOP can be as simple as data abstraction, or as complex as a company-wide methodology.
数据抽象层包含一个类，用于向业务层提供关于位置的信息（请参见图3）。
The Data Abstract Layer consists of a single class to provide location-related data to the business layer (see Figure 3).
此元数据抽象允许存储既不特定于该类也不特定于该接口的信息交集。
This metadata abstraction enables the storing of information that is the intersection of that which is specific to neither the class nor the interface.
数据抽象允许程序员忽略类型如何表示的细节，而只考虑该类型可以执行的操作。
Data abstraction allows programmers to ignore the details of how a type is represented and to think instead about the operations that the type can perform.
而这些模型，是经过长期的业务积累和经验总结，最终得到的数据抽象及处理流程。
And these models is the result of accumulation and long-term experience in business, and ultimately the abstract data and processing.
从位置数据提供者检索数据，这是一个数据抽象层(DAL)组件，在内存中缓存所有位置。
Data is retrieved from the location Data Provider — a Data Abstract Layer (DAL) component — which caches all locations in memory.
对编程语言和系统设计的实践与理论基础，尤其是数据抽象、容错和分布式计算方面的贡献。
For contributions to practical and theoretical foundations of programming language and system design, especially related to data abstraction, fault tolerance, and distributed computing.
dojo的数据抽象层dojo . data，为dojo提供一个标准API来访问各种后端服务。
Dojo's data abstraction layer, dojo.data, provides a standard API for dojo applications to access a variety of back-end services.
从软件工程的角度出发，将电力系统中实现重合闸的数据抽象成具有生命活动规律的实体——时序状态。
Proceeding from software engineering, the data for realizing reclosing software in power system is abstracted into time sequence status, something with life activity governing laws.
为了描述控制器组件提供的数据结构，我们使用一种领域专门的语言YANG作为服务和数据抽象的建模语言。
In order to describe the structure of data provided by controller components a domain-specific language, YANG, is proposed as the modeling language for service and data abstractions.
它具有数据抽象、信息隐藏等特点，符合人们对实际问题进行自然分解的思维方式，并能提高软件的可重用性、可扩充性和可维护性。
It is characterized by the data abstraction and information hiding, and is in conformity with the thinking mode of the natural decomposition of real problems.
本文中的示例包含数据抽象层（DAL）、数据传输对象（DTO）、业务逻辑层（BLL）、表示层和用于支持的helper类。
The example in this article consists of the Data Abstract Layer (DAL), Data Transfer Objects (DTOs), the Business Logic Layer (BLL), the Presentation Layer, and supporting helper classes.
尽管SDO 1.0以相同的数据抽象为目标，但有几个大的缺点，其中主要的一点是缺少helper类，如xsdhelper,XMLHelper等。
Although SDO 1.0 aims at the same data abstraction goal, it has several major drawbacks, the main one being a lack of helper classes, such as XSDHelper, XMLHelper, and so on.
开源是最近大量应用对象数据库的巨大推动力，开发者们实际也一直喜欢ODBMS开源的理念，而购买像Oracle这样的RDBMS的决定，往往不是DBA做出的，更多的是管理者来决定的，他们有时是因为数据抽象这样的需求而做出正确的决定，或由于某些原因做出错误决定（如在打高尔夫球的时候签下了合同）。
open source is a big driver in the recent surge of adoption of object databases. Developers have actually always liked the idea of an ODBMS.
它也提供一个抽象的顶端数据存储和检索。
It also provides an abstraction on top of data storage and retrieval.
SDO组件提供了组件间数据流的公共抽象，而与范围无关。
SDO components provide a common abstraction for data flow between components regardless of scope.
图1描述了一个存储了一些数据的抽象缓冲区。
Figure 1 illustrates an abstract buffer when stored with some data.
就像uml模型是应用程序架构的抽象一样，数据模型表示信息模型的抽象。
Like UML models that are abstractions of the application architecture, data models represent the abstraction of the information model.
这是用来索引可搜索内容的抽象数据对象。
This are abstract data objects used to index searchable content.
SDO表示在此抽象级别的数据。
为了从这种解决方案中获益，您必须清楚地定义具体的抽象数据缓冲区接口。
To benefit from the solution, you must clearly define a lasting concrete abstract data buffer interface.
冗长乏味的JDBC开发导致对象关系映射(ORM)框架的诞生，该框架提供一个数据访问抽象层。
The tedium of JDBC development led to the creation of the object relational mapping (ORM) framework, which provides a data access abstraction layer.
作为一种替代方案，自我管理的抽象数据缓冲区能够解决那些问题。
As an alternative, a self-managing abstract data buffer can combat those problems.
可以使用业务对象（服务数据对象 (SDO)的扩展）为数据访问提供抽象层。
You can use Business Objects, extensions of Service Data Objects (SDO), to provide an abstraction layer for data access.
抽象数据缓冲区仅在实际数据变得可用时才分配内存。
The abstract data buffer allocates the memory blocks when and only when the actual data becomes available.
内容云：把数据从应用中抽象出来。
从抽象数据模型生成php。
从抽象数据模型生成php。
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