The net structure is standard ether-net with star link as inner connecting to make the structure of whole net stable and convenient to expand, functions divided clearly and operating simply.
网络结构采用标准以太网形式，内部以星形方式连接，使整个网络结构稳定，便于扩充，并且功能划分清楚，便于使用和操作。
This technique has the advantages of operating simply, costing cheaply and high efficiency, therefore it has extensive value of application.
这种技术具有操作简单、造价低、效率高等优点，因此，有广泛的应用价值。
This technique has the advantages of operating simply, costing cheaply and high efficiency, therefore it has extensive value of application.
这种技术具有操作简单、造价低、效率高等优点，因此，有广泛的应用价值。
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