EMF provides persistence, a very efficient reflective generic object manipulation API, and a change-notification framework.
EMF提供了持久性、一个有效的反射类属对象操纵api和一个变更通知框架。
The main layers of the application are a database, a persistence framework, a database access object, and user interface (UI) controller and view layers.
应用程序的主要层是数据库、持久性框架、数据库访问对象和用户界面(UI)控制器及视图层。
The persistence framework solves the problem of object persistence in relational databases. Object relational mapping is the core of persistence framework.
持久化框架较好地解决了关系型数据库的对象持久化问题，对象关系映射是持久化框架的核心内容。
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