Favor object composition over class inheritance.
优先使用对象组合，而非继承。
Interfaces are useful when you cannot use class inheritance.
在无法使用类别继承的情况下，介面是相当有用的。
Inheritance: Annotations — Single table, joined table, and table per class.
继承：标注——单个表、联合表和按类表。
OOP consists of five aspects: object, message, method, class and inheritance.
OOP技术由对象、消息、方法、类和继承五个方面组成。
Converting from a class or structure type based on multiple inheritance.
从多个继承的类别或结构型别转换而来。
The abstract class is the base class in an inheritance relationship with another class.
抽象类是与另一个类有关的继承关系中的基类。
This class makes a link demand and an inheritance demand at the class level.
此类在类级别生成链接要求和继承要求。
How to: Define Inheritance Between Types (Class Designer).
如何：定义类型之间的继承(类设计器)。
How to: Define Inheritance Between Types (Class Designer).
如何：定义类型之间的继承(类设计器)。
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