这些对象引用参数在部署描述符（将在运行时解析）中作为资源引用公开。
These object reference parameters are exposed as resource references in the deployment descriptor which will be resolved at run time.
因为这一特性是一个系统对象的名称，所以在发布操作时，开发团队和管理员就可在部署描述符中指定这些特性的值。
Because this property is the name of a system object, the development team and the administrators can specify the value of these properties in the deployment descriptor during a publish operation.
描述符也可以提供与注释相同的有关实体的元数据信息，如主键字段，以及对象之间的任何映射。
The descriptor can also provide the same metadata information about the entities as annotations, such as primary key field, and any mappings between objects.
返回的对象还实现了MDB在它的部署描述符中声明的接口。
The object returned also implements the interface that the MDB declared in its deployment descriptor.
相比之下，即使可以通过实例进行访问，描述符仍然属于类级别对象。
In contrast, the descriptor remains a class-level object, even though you can access it through the instance.
在内核中，会为有限的对象集(例如文件描述符和其他常见结构)分配大量内存。
Within a kernel, a considerable amount of memory is allocated for a finite set of objects such as file descriptors and other common structures.
要部署业务对象，需要使用插件描述符将实现类放到系统类路径中。
To deploy a business component, the implementation classes need to be made available on the system classpath with a plug-in descriptor.
例如，在permssion对象上提供了一些易于使用的有用方法，用于检查传入permission对象是否满足J2EE部署描述符的策略要求。
For example, there are very usable convenience methods on the permissions objects that check whether the incoming permission object satisfies the J2EE deployment descriptor policy requirements.
当初始化支持RRD的应用程序的远程部分时，会使用与扩展处理程序描述符对应的ExtensionConfig解析对象启动每个扩展处理程序。
When the remote portion of an RRD-enabled application is initialized, each extension handler is initialized with a parsed ExtensionConfig object corresponding to the extension handler descriptor.
在顶层是打开的file对象，它由进程的文件描述符列表引用。
At the top is the open file object, which is referenced by a process's file descriptor list.
当关于某实例的所有文件描述符都关闭时，资源和下层对象都将释放，以供内核再次使用。
When all file descriptors for an instance are closed, the resources and underlying object are freed so the kernel can reuse them.
非数据描述符最常用于返回一个可调用对象。
The non-data descriptor is likely to be used to return a callable object.
现在已经有了HTML页面、Tapestry组件、业务对象，以及把所有这些部分连接在一起的描述符。
Now you've got your HTML pages, your Tapestry components, your business objects, and descriptors that connect all the parts together.
此套接字的文件描述符对象。
返回此类型说明符所表示的对象的已筛选属性描述符的集合。
Returns a filtered collection of property descriptors for the object represented by this type descriptor.
返回此类型说明符所表示的对象的已筛选属性描述符的集合。
Returns a filtered collection of property descriptors for the object represented by this type descriptor.
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