This system features of wireless data transmission and topology with star network.
该系统是一个采用无线数据传送，拓扑结构为星型的网络。
Wireless information transmission network is required for signal control data transmission.
无线信息传输网络用于传递信号控制信息所需的数据。
Wireless information transmission network is required for signal control data transmission.
无线信息传输网络用于传递信号控制信息所需的数据。
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