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。
They can also be purely in-memory objects with no backing store.
它们可以是一些纯粹的内存对象，只要不用于后备存储。
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。
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 this way, you can take specific actions based on how you want to manage the backing store for the event.
通过这种方式，你可以按照你想要为事件托管备份存储的方式来采取特别的操作。
All of the problems listed in the previous section derive from trying to go against the grain and treat the UI as a backing store.
前面击节中列出的问题都是应为违背了这个原则并且把UI当作数据存储的地方。
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。
The system maintains a ready queue consisting of all processes whose memory images are on the backing store or in memory and are ready to turn .
系统在后备存储器或内存中维持一个组成内存映像所有过程的准备队列并做好执行的准备。
Stack and backing store memory written to the minidump file should be filtered to remove all but the pointer values necessary to reconstruct a stack trace.
栈和后备存储内存写入到转储文件应过滤，删除所有的指针值，但要重建一个堆栈跟踪。
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。
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)。
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。
To gauge the "freshness" of the data, you might decide to add a timestamp field to the object so that you could easily detect whether the object and the backing store were out of sync.
要测量数据的“更新程度”，您可能决定向该对象添加时间戳记字段，以便容易地检测对象是否与后备存储器同步。
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。
The ZRM framework will automatically create a backing database to store data instances of this model definition.
ZRM框架将自动创建一个支持数据库来存储这个模型定义的数据实例。
They store all your files online, so you don’t need to worry about syncing them or carrying around CDs or flash drives, or backing up.
你可以在线保存文档，因而不必再为同步文件、随身携带光盘或闪存、备份文档等事情忧心忡忡了。
The MyFaces tag allows you to store data (including entire backing beans) as part of the component tree rather than just the value bindings.
MyFaces标记允许将数据(包括整个backingbean)存储为组件树的一部分，而仅仅是值绑定。
It's mainly used as a personal archive of data which you can store for safe-keeping. TweetDumpr is a similar service but only focuses on backing up the tweets themselves from public timelines.
TweetDumpr是一个类似服务，但仅支持单个用户的tweets存档。
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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