结果表明该方法在平均包延时和线路利用率上比均衡延时方法都有所改善。

As a result, the average packet delay and link utilization are both improved.

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当缓冲区满时的丢包策略，最常用的方法是采用尾丢包的方式，而尾丢包的方式和TCP／IP协议的慢启动管理策略会导致全局同步化，给网络带来不良影响，线路利用率不高。

Router will abort IP packet when buffer is full and the IP packet is coming in. the tail drop do not use the link enough with TCP/IP's slow start.

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通过CBTC系统可以减小行车间隔，实现更多的列车控制功能，从而提高线路的利用率和行车安全。

By using CBTC system, we can reduce the interval between trains, carry out more function, maximize the utilization of the rail transit infrastructure, and supply more safety.

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