How to: Define Inheritance Between Types (Class Designer).
如何：定义类型之间的继承(类设计器)。
You define the inheritance behavior so you can override it.
您需要定义继承行为以便可以覆盖它。
By collapsing aggregation and inheritance hierarchies, you simplify your model, making it easier to analyze when you define subsystems.
通过分解聚集和继承层次结构，您简化了模型，在定义子系统时使其更易分析。
It described the authorization roles with their inheritance rules and defaults, how you can define authorization rules, and how they are resolved in order to perform instance-based authorization.
其中描述了授权角色及其继承规则和缺省值，如何定义授权规则以及如何解析授权规则以执行基于实例的授权。
Here is a simple example of normal inheritance. We define a Noble base class, with subclasses such as Prince, Duke, Baron, etc.
这里有一个普通的继承的简单例子，我们定义了一个Noble基类，它有子类Prince,Duke,Baron等等。
Other languages would have to resort to Inheritance for this, ie. define the method in a class and force users to extend that.
其他编程语言可能要使用继承才能做到：比如在类中定义方法并强迫用户扩展这个方法。
Inheritance is the ability to define a new class that is a modified version of an existing class.
继承就是基于一个已有的类进行修改来定义一个新的类。
The root class of an inheritance hierarchy should define a virtual destructor even if the destructor has no work to do.
继承层次关系的根类应该定义虚函数性质的析构函数，即使这个析构函数不做任何的事情。
Inheritance allows you to define a new class that incorporates and extends an already declared class.
继承允许你定义一个新的类。这个新的类—包含并且扩展原来已经存在的类。
Links to topics that describe how to define and work with inheritance in a conceptual model.
指向以下主题的链接：描述如何在概念模型中定义和处理继承。
Property inheritance applies to all files that define a project configuration.
属性继承应用于所有定义项目配置的文件。
You can build your entities and their properties, define relationships and their constraints, and create inheritance hierarchies right in the designer.
您可以建置您的实体和它们的属性、定义关联性和其条件约束，并在设计工具建立继承阶层架构权限。
Object-oriented should find pertinent objects, factor them into classes at the right granularity, define class interfaces and inheritance hierarchies, and establish key relationships among them.
面向对象要求找到相关的对象，以适当的粒度将它们归类，再定义类的接口和继承层次，建立对象之间的基本关系。
Inheritance is the ability to define a new class that is a modified version of an existing class.
继承就是基于已有的类进行修改来获取新类的能力。
Because forms are classes, you can use inheritance to define new forms based on existing forms.
因为窗体是类，所以可以使用继承性在现有窗体的基础上定义新窗体。
You can define an inheritance relationship if none exists.
如果不存在任何继承关系，则可以定义一种继承关系。
NET Entity Framework enables you to define a conceptual model that includes inheritance hierarchies.
NET实体框架可以定义包含继承层次结构的概念模型。
Statistical genetic techniques developed to define modes of inheritance, localize genes, and evaluate gene-environment interactions in cancer risk (1970s through 1990s).
统计基因技术被用来确定癌风险中的遗传形式，基因定位和评估基因-环境的相互作用（70年代到90年代）。
Explains how to define an inheritance relationship between types.
介绍如何定义类型之间的继承关系。
Explains how to define an inheritance relationship between types.
介绍如何定义类型之间的继承关系。
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