该工具由运行时库和前端图形用户界面组成，前者必须在启动所要监视的应用程序时加载，后者可以显示结果和性能分析。
The tool consists of a runtime library that must be loaded at startup with the application you wish to monitor and a front-end graphical user interface that displays the results and performs analysis.
本文中讨论的示例的用户界面是一组JSR 168portlet，它们提供了访问Domino应用程序的前端。
The user interface for the examples discussed in this article is a set of JSR 168 portlets that provide the frontend to access the Domino application.
创建假的数据层是一种有用的用户界面开发实践，因为最终应用程序要使用的持续存储层对于前端开发人员来说，通常是看不到的。
Creating a fake data layer is a useful UI development practice because the persistence layer to be used by the final application is often unavailable to front-end developers.
如果想在iPhone应用程序中显示不同的界面，你要创建新的视图，并用视图控制器把其“推”到前端。
If you want different "screens" on an iPhone app, you create new views, and have a view controller push them into the front.
对前端应用程序的开发要求应用程序功能完备，易使用，界面美观等特点。
The front-end application development requires complete functions and easy to use, attractive interface and so on.
而对于前端应用程序的开发则要求它能提供强大的数据操纵功能，界面友好、使用简单方便等特点。
For front-end application development requires it to provide powerful data manipulation functions, friendly interface, simple and convenient use of such features.
主要包括后台数据库的建立和维护以及前端应用程序的开发两个方面，实现了运动员成绩数据库的创建及运动员成绩的输入、浏览、维护和统计，使得系统具有功能强大，界面友好的特点。
It has realized the database foundation, the input, the browsing, the maintenance and the statistics of the athletes' results, so it enables the system to be formidable functioned and friendly faced.
主要包括后台数据库的建立和维护以及前端应用程序的开发两个方面，实现了运动员成绩数据库的创建及运动员成绩的输入、浏览、维护和统计，使得系统具有功能强大，界面友好的特点。
It has realized the database foundation, the input, the browsing, the maintenance and the statistics of the athletes' results, so it enables the system to be formidable functioned and friendly faced.
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