抽象类

"All-round graphic design material Dictionary" is a series of library types of numerous products, everything: science and technology category, abstract class, business class, character class, the world famous category, type of flowers, garden class, the Chinese customs categories of Chinese picture category natural categories, agricultural-type, tool type, astronomy class, still-life category, border type, shading categories, sports, cartoon-type, instrument type, such as an integrated tool material.

全方位平面设计素材辞典》是一套种类众多的系列图库产品，举凡：科技类、抽象类、商业类、人物类、世界名胜类、鲜花类、园林类、中华风情类、中华图片类、自然类、农业类、工具类、天文类、静物类、边框类、底纹类、运动类、卡通类、乐器类、综合类等工具素材。应有尽有，包罗万象。

Here is the abstract class with the declaration of abstract methods.

以下是与抽象方法声明抽象类。

Any class with an abstract method is automatically abstract itself, and must be declared as such.

任何有抽象方法的类自动变成抽象类，而且必须被声明为抽象类。

The main idea of this optimization is to strip the vtable initialization code from abstract class for abstract class the vtable is empty, while it is initialized in contructor

这一优化的主要思想是，以剥夺从抽象类的虚函数表的初始化代码（抽象类中的虚函数表是空的，而它在构造器初始化

classes are defined in such a way that there are only function declarations within the class.

抽象类定义在这样一种方式，只有函数在类的声明。

The Model class is an abstract class that other more specific Model classes derive from.

示范类是一个抽象类，其他更具体的模型类派生自。

The agent class will be largely simulation specific, although Repast does provide some minimal support for cooperation type agents, through the GameAgent interface and the Game abstract class.

Agent类因仿真而异，当然为协调，Repast通过GameAgent界面和Game抽象类也提供一些支持型Agnet。

This problem whether but end devises kind of arrangement at be in when, use interface or abstraction kind betterer?

这个问题是否可归结于在设计类层次时，使用接口还是抽象类更好些？

An abstract class differs from a nonabstract class in the following ways.

抽象类于非抽象类在下列方面有所不同

Although it is possible to have variables and values whose compile-time types are abstract, such variables and values will necessarily either be null or contain references to instances of nonabstract classes derived from the abstract types

尽管可以变量和值在编译时的类型是抽象的，但这些变量和值必须要么为null，要么存储继承自抽象类型的非抽象类的实例的引用。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失