Through using network connecting mode of ether star structure, the distribubuted control system has been changed from busbar network topologic structure into a star network topologic structure.
通过采用以太网星形结构的网络连接方式，将分散控制系统由总线形网络拓朴结构改为星形网络拓扑结构。
The LED leading system for passengers is a system similar to network structure with one computer controlling several monolithic processors, and its control mode is flexible.
LED旅客引导系统，采用一台微机控制多台单片机的类网络控制结构，具有灵活的控制方式；
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