The focus of EJB 3.0 is on making initial development easier and applications more maintainable.
EJB 3.0重点关注的是使初始开发更加简单、使应用程序更易于维护。
An asynchronous event-driven network application framework and tools for rapid development of maintainable high performance and high scalability protocol servers and clients.
一款异步的事件驱动的网络应用框架和工具，用于快速开发可维护的高性能、高扩展性协议服务器和客户端。
To create more complex portlet applications, using frameworks can save a lot of development effort and assure that these portlet applications are well-designed and maintainable.
对于创建更复杂的Portlet应用程序，使用框架可以节省大量开发工作，并且可以确保这些Portlet应用程序设计良好且可维护。
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