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首先介绍我区绿卡网的网络结构现状， 通过分析， 指出该网络目前存在网点联网通信费用高和乡镇网点联网难的问题。接着具体提出解决这些问题的网络改造方案。
First of all, this paper introduces the current situation of the network structure of green card network in our district. Through analysis, it points out that there are some problems in this network, such as the high cost of network connection and the difficulty of network connection in towns and villages. Then specifically put forward to solve these problems network transformation program.