By analyzing the characteristic of railway communication network, the logical construction can be obtained.

根据铁路通信网络特点得出铁路通信网络的逻辑结构，从而抽象出其一般拓扑结构。

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By analyzing the characteristic of railway communication network, the logical construction can be obtained.

根据铁路通信网络特点得出铁路通信网络的逻辑结构，从而抽象出其一般拓扑结构。

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