RTT
abbr. 循环时间（Round-Trip Time）；无线传输技术（Radio Transfers Technology）；无线电电传打字电报机（radioteletype）
例句
The measured RTT is used to compute the new retransmission timeout value.
所测量的RTT用于计算新的重新传输超时值。
As its name suggests, RTT is most useful when data is required in real-time.
顾名思义，RTT在需要进行实时数据传输时最为有用。
Since no real time RTT calculation is needed, this method has wide applications.
由于算法不需要实时计算rtt值，因而有着较广的应用范围。
