可以有很多种方法做到这一点：通过发送数据请求到后台，然后把结果展现在前台用户界面上。
This can be done in a variety of ways by sending requests for data to the back-end application and then displaying the results in a front-end user interface.
通常，设备这时候已经到了内存分页状态(memory paging state)的地步，终止一些前台进程是为了保证用户界面的及时响应。
Generally, at that point, the device has reached a memory paging state, so killing some foreground processes is required to keep the user interface responsive.
Fitnesse被看做使用Wiki做前台界面的FIT，它可以帮助用户理解相关领域知识，在基于用户故事创建验收测试的时候进行协作和沟通。
Fitnesse is a Wiki front-end to FIT allowing users to collaborate and communicate while building together an understanding of the domain and creating acceptance tests based on user stories.
除此之外，当应用程序的用户界面在前台和后台之间移动时，操作系统还可以动态调整线程优先级。
On top of all that, the operating system can also adjust thread priorities dynamically as an application's user interface is moved between foreground and background.
前台主要是用户界面的设计，其中，在某些触发事件中运用了内嵌式SQL语言；
The front ground is mainly for the design of the customer interface and it makes use of the SQL.
前台作为与用户直接交互的可视化界面，能将系统的各个功能提供给用户，以帮助用户进行客房管理。
Prospects as a direct interaction with the user's visualization interface, the system can provide various functions to users, to help users Rooms Management.
前台作为与用户直接交互的可视化界面，能将系统的各个功能提供给用户，以帮助用户进行客房管理。
Prospects as a direct interaction with the user's visualization interface, the system can provide various functions to users, to help users Rooms Management.
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