It is easy to find such things as the class hierarchy and the constructor and member function options 您能容易地找到类层次结构、构造函数、成员函数选项等信息。
This class hierarchy lets you get system information via easy - to - use c + + classes on any win32 machine 通过使用这个类系列，你可以方便地用c + +类得到关于win32机器的信息。
An abstract base class imposes unnecessary restrictions on application - oriented development of the class hierarchy 抽象基类给面向应用的开发的类结构强加了不必要的约束。
The cause to understand how this can happen , let s consider the following class hierarchy for binary trees 为了理解这种情况发生的原因，我们来看看下面的二元树类层次结构：
One attraction of this approach is that with closures you do not need to develop the visitor class hierarchy 这种方法的一个抽象是：使用闭包，不需要开发访问者类的层次结构。
Hierarchical relationship . class hierarchies are useful when describing items that are a subtype of a more general class 当描述作为更常规类的子类型的项时，类层次结构非常有用。
Supports all classes in the . net framework class hierarchy and provides low - level services to derived classes 支持. net framework类层次结构中的所有类，并为派生类提供低级别服务。
Once again , this feature involves only hibernate and the database , and thus doesn t alter the class hierarchy 再次声明，这些特性只包含hibernate和数据库，所以不会改变类的层次结构。
In very large projects , you will be confronted with complex class hierarchies with several levels of abstract classes 在每个大型项目中，您都会面临包含多级抽象类的复杂的类层次结构。
Requiring classes to inherit from a base class to be disposable would make the class hierarchy too inflexible . classes such as 如果要求从基类继承的类可处置，会使类层次结构很不灵活。
