说明：  节点是网络系统的基本控制单元，论文提出了一种基于CPLD和多处理器结构的控制网络节点设计方案，它能够提高单节点并行处理能力，其模块化结构增强了节点的可靠性。
(node network system is the basic control unit, This paper proposes a CPLD-based and multi-processor control structure of the network node design, It can enhance single node parallel processing capabilities, its modular structure to enhance the reliability of the nodes.)