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文章介绍了设计与开发基于WEB的全国生产力信息网（PPNET）的方法。重点分析了系统设计与实现中涉及的主要方法、关键技术以及主要功能和特色。同时，文中所涉及组件技术、数据交换技术对于基于Internet的分布式应用系统开发也有很大的借鉴作用。
The article describes how to design and develop the Web-based National Productivity Information Network (PPNET). The main methods, key technologies and main functions and features involved in system design and implementation are analyzed emphatically. At the same time, the component technology and data exchange technology involved in this article also have great reference for the development of distributed application system based on Internet.