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本文介绍了一个基于 X·400系列标准而设计的电子邮政系统的总体结构、主要模块功能以及它们之间的相互关系。同时给出了并行访问一文件时的保护策略和用户代理系统的主要算法流图。目前该系统作为中国国际科技网(CANET)的节点机软件和浙江大学校园网服务器上的软件已在 XENIX 操作系统下的微机386上运行,大大提高了办公效率。
This article describes the overall structure of the electronic postal system designed based on the X.400 series of standards, the main module features, and their interrelationships. At the same time, the paper gives the protection strategy of the parallel access to a file and the main algorithm flow chart of the user agent system. At present, the system as node software of China International Science and Technology Network (CANET) and software of Zhejiang University campus network server have been run on microcomputer 386 under XENIX operating system, which greatly improves office efficiency.