路由协议通常使用较多的短报文进行路由的产生和维护，路由效率较低，不适合在超短波信道上运行。
Routing protocol usually use short packets to find out and maintain the routing information, which leads to the low efficiency. Thus it dose not fit the channel.
网络信道基于跳频和扩频超短波电台。
Network channel is base on frequency hopping and spectrum spread radio stations.
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