The tedium of JDBC development led to the creation of the object relational mapping (ORM) framework, which provides a data access abstraction layer.
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。
SDO represents data at this level of abstraction.
SDO表示在此抽象级别的数据。
SDO components provide a common abstraction for data flow between components regardless of scope.
SDO组件提供了组件间数据流的公共抽象，而与范围无关。
Like UML models that are abstractions of the application architecture, data models represent the abstraction of the information model.
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。
In the application shown in Figure 2, the GUI relies on an abstraction — a data access object or DAO.
在图2所示的应用程序中，GUI依赖于一个抽象——一个数据访问对象或DAO。
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.
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。
Applying table abstraction to the underlying data file makes it easier to seamlessly apply SQL operations.
对底层数据文件应用表抽象使无缝应用SQL操作变得更加轻松。
Singly linked lists are a powerful abstraction that allow you to represent numerous types of data.
单链表是让您可以描述多种类型数据的一种有效抽象。
Depending on the complexity of the project, a canonical data model may be specified at two different levels of abstraction and granularity.
取决于项目的复杂性，可以在两个不同层次的抽象和粒度上指定规范化数据模型。
The virtio API relies on a simple buffer abstraction to encapsulate the command and data needs of the guest.
virtioAPI依赖一个简单的缓冲抽象来封装来宾操作系统需要的命令和数据。
The MetaModel Database is an abstraction only and does not actually hold any data: It is simply a model.
MetaModel数据库仅仅是一种抽象，并没有实际保存任何数据：它只是一个模型。
SimpleResolutionService provides a further abstraction for the common use case in which the Metadata Service and data Service are hosted together with the Authority Service.
SimpleResolutionService为通用的用例提供了进一步的抽象，在这类用例中，元数据服务和数据服务与中心服务共存。
Semantic technologies provide an abstraction layer above existing IT technologies, one that enables the bridging and interconnection of data, content, and processes across business and IT silos.
Semantic技术在现有的IT技术之上提供了一层抽象，它跨越业务和IT仓库在数据、内容和过程之间架设了一座桥梁，使其可以相互连接在一起。
The technology of feature recognition and data abstraction.
特征识别与数据提取技术。
For contributions to practical and theoretical foundations of programming language and system design, especially related to data abstraction, fault tolerance, and distributed computing.
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。
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.
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。
The XForms standard adds a powerful new abstraction between a form's data model and its presentation, as well as providing the ability to use a single form with several different submission actions.
X Forms在表单数据模型及其表示之间增加了一层新的、功能强大的抽象，并提供了在多个不同提交动作之间使用一个表单的能力。
A data management system (DMS) for engineering design can support hierarchical decomposition, multiple levels of abstraction, concurrency control and design evolution.
工程设计数据管理系统(DMS)可以支持设计的层次分解、多级抽象、并发控制和设计进展。
PDO is not an abstraction layer like PearDB. PDO is a more like a data access layer which USES a unified API (Application Programming Interface).
PDO并不是类似于PearDB的数据库抽象层，而更像一种采用了统一api(应用编程接口)的数据访问层。
Because of the higher level of abstraction it provides, SQL, unlike procedural languages, lets programmers focus on what data they need, not how to retrieve it.
由于SQL与过程化语言不同，它提供了更高的抽象级别，因此它可以让程序员把精力集中到他们需要什么样的数据，而不是如何检索数据。
The Hibernate framework is a data access abstraction layer that is called by your application for data persistence.
Hibernate框架是应用程序调用来实现数据持久性的数据访问抽象层。
A conceptual data model is a canonical data model viewed at the highest level of abstraction.
概念数据模型是从最高层抽象看到的规范化数据模型。
The data model is a well organized abstraction of that data, so it is quite natural that the data model has become the best method to understand and manage the business of an organization.
数据模型是对那些数据的组织良好的抽象，因此数据模型成为理解和管理企业业务的最佳方法是极其自然的。
Service data Objects (SDOs) replace diverse data access models with a uniform abstraction for creating, retrieving, updating, and deleting business data used by service implementations.
服务对象数据(Service Data Object,SDO)使用统一的抽象代替了各种各样的数据访问模型来创建、检索、更新和删除供服务实现使用的业务数据。
This allows modeling of data at different levels of abstraction while maintaining consistency and traceability between these models.
这样便可以在不同级别的抽象上进行数据建模，同时又维护这些模型之间的一致性和可跟踪性。
It has to, in effect, introduce a layer of abstraction, allowing for changes in a data layer with no or minimal impact to service implementations.
实际上，它需要引入一个抽象层，以允许数据层的更改而不影响服务实现或将这种影响降到最低。
This allows analysis and traceability of the relationship between data patterns, both across lines of business and at varying levels of abstraction.
这使得跨业务线和在不同级别抽象上的数据模式之间的关系可被分析和跟踪。
Procedural abstraction, abstract data types, and, most recently, objects and components are all examples of such abstractions.
过程抽象、抽象数据类型、以及目前比较常用的“对象”和“组件”都属于这样的抽象机制。
Unlike some of the other data integration models, SDO doesn't stop at data abstraction.
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.
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。
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