介绍数字地震台网数据处理系统JOPENS的架构特点以及设计思想与目标，介绍J2EE架构平台、EJB持久存储、JMS消息中间件等分布式软件开发技术。重点介绍JOPENS系统的组织架构、软件模块的主要功能以及软件模块之间的逻辑关系等。

In this article, the architecture characteristics of the digital seismic network data processing system which named JOPENS are described. The distributed software architecture development technologies used in JOPENS system design, such as J2EE architecture platform, EJB persistent storage, JMS messaging middleware are also introduced. The discussion is concentrated on description of the organizational structure of JOPENS system, the main function and the logical relationship of the JOPENS software modules.