The single, unified programming model and abstract XML description of all EJBs (local or remote) is at the heart of the EJB 2.0 specification.

所有 EJB（本地或者远程）的单一、统一的编程模型和抽象 XML 描述是 EJB 2.0 规范的核心。

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The interface specification (IfS) describes the business syntax of the operations of a service strictly in terms of the abstract data types used by the operations.

接口规范 (IfS) 从操作所使用的抽象数据类型方面严格描述服务的操作的业务语法。

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Communication between ORBs is accomplished via the IIOP, which is a concrete implementation of the General Inter-Orb Protocol (GIOP) abstract reference specification.

Or b之间的通信是通过IIOP完成的，后者是General Inter - Or b Protocol (GIOP)抽象参考规范的具体实现。

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