网络拓扑采用星形结构，所有机架向后连接到管理机架的主交换机。
The network topology takes a star shape, with all racks connecting back to a main switch in the management rack.
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。
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.
系统采用无线rf技术，构成了点对多点的星形拓扑结构的通信网络，可对多个温室进行有效管理。
RF technology is used in the systems communication with star topology structure, so it can manage greenhouses effectively.
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