Registry and Repository uses a relational database as its backing store.
Registry andRepository使用关系数据库作为其支持存储区。
That way, we can change the backing store without rewriting the service class.
这样，我们可以修改后台存储而不必重写服务类。
A custom scope typically corresponds to a backing store that can manage object instances.
某个自定义作用域通常与能够管理对象实例的后端存储相对应。
A virtual file system can be a physical file system, a network file system, or a logical file system (one that does not have a physical backing store, such as ramfs).
虚拟文件系统可以为物理文件系统、网络文件系统、或者逻辑文件系统(没有物理后备存储，如ramfs)。
In this case, Spring provides its familiar programming model, enabling injection and lookup, and the backing store provides instance management of the scoped objects.
在这种情况下，Spring提供了它熟悉的编程模型，支持注入和查找，而且后端存储提供了作用域内对象的实例管理。
Swapping requires a backing store.
交换需要一个后备存储器。
The backing store is commonly a fast disk .
后备存储器通常是一个高速磁盘。
The following code example shows how to read and write data using memory as a backing store.
下面的代码示例说明如何通过将内存用作备份来读取和写入数据。
In contrast, streams provide a way to write and read bytes to and from a backing store that can be one of several storage mediums.
相反，流提供一种向后备存储写入字节和从后备存储读取字节的方式，后备存储可以为多种存储媒介之一。
One difference with getting, though, is that you must provide a default value in the event that the backing store is unavailable, or for when something hasn't been saved yet.
但与获取数据时不同的是，在备用存储不可用，或有些东西尚未保存时您必须提供缺省值。
Among other things, it specifies the underlying backing store, the access control mechanism, the available workspaces, the versioning system, and the search subsystem. Listing 1 gives an example.
这些任务包括：指定底层的后端存储、访问控制机制、可用的工作区、版本管理系统和搜索子系统。
By default, the backing-store field for an event declaration is a multicast delegate that serially combines all the event handlers.
默认情况下，事件声明的后备存储字段是一个依次组合所有事件处理程序的多路广播委托。
By default, the backing-store field for an event declaration is a multicast delegate that serially combines all the event handlers.
默认情况下，事件声明的后备存储字段是一个依次组合所有事件处理程序的多路广播委托。
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