对象类使用继承特性，这意味着LDAP定义了基类来保存常用属性。

Object classes use inheritance, which means LDAP defines base classes to hold commonly used attributes. Child classes then extend the base classes to use the attributes defined therein.

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这样使得您可以为文件系统对象建立细粒度的访问控制，并且支持继承特性。

This allows you to establish fine-grained access control for file system objects and support inheritance features.

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基本小部件类的设计利用了Dojo提供的继承特性，以下是基本小部件实现的一些功能。

The base widget class has been designed to take advantage of the inheritance feature provided by Dojo. Following are some of the functions the the base widget implements.

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