【摘要】 根据当前计算机技术的发展现状和发展趋势，讨论了县调自动化系统主站端的组网结构以及网络形式，分析了以太网的硬件安全性以及主站端组网技术的发展趋势。更多还原

【Abstract】 According to the development status and tendency of computer technology, network structures and forms of control centre network for county dispatch automation system are discussed, the development tendency of hardware safety of Ethernet and technique of control centre network are also analyzed.更多还原