data abstraction

Object-oriented programming is based on three fundamental concepts: data abstraction, inheritance, and dynamic binding.

面向对象 编程基于三个基本概念: 数据抽象 、 继承和动态绑定.

Now, there are several common system architecture such as data abstraction and OO organization, layered system.

目前, 已有一些公用的体系结构问世,如数据抽象和面向对象组织(dataabstraction andOO organization) 、 层次式系统(layeredsystem )等.

A standarized implementation of a data abstraction layer, suitable for any kind of database structure.

这是个数据抽象层的标准实现, 适合各种数据库结构.

Polymorphism is the third essential feature of an object-oriented programming language, after data abstraction and inheritance.

多态性是 面向对象 语言中继封装, 继承之后第三个基本特征.

The fundamental ideas behind classes are data abstraction and encapsulation.

类背后蕴涵的基本思想是数据抽象和封装.

Data structure have been a difficult part in studying or programming because of its abstraction and theory profundity, and case-studying teaching and programming training with realistic model is the trend of teaching reform.

数据结构一向以它的抽象性和理论深度成为学习或编程的难点，结合现实模型进行案例分析式教学与编程训练是教学改革的趋势。

Term used to describe programs that use data abstraction, inheritance, and dynamic binding.

描述使用数据抽象 、 继承和动态绑定的程序的术语.

The data model of the topology graph of network and algorithm for topology abstraction were designed.

设计了网络拓扑图的数据模型与拓扑关系提取算法。

PDO ( PHP Data Objects )-A new native database abstraction layer providing performance, ease-of-use, and flexibility.

1最增的数据库抽象层用于提供对数据库访问的对象,拥有良好的性能, 易于使用和灵活性的特点.

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。

Data abstraction is fundamental to both object-oriented and generic programming.

数据抽象是 面向对象 编程和泛型编程的基础.