unacknowledged frame

• 未确认帧

unacknowledged frame的用法和样例：

例句

1. When the network needs to control the congestion, the signal will be delivered to the receiver at the fast speed, and was brought to the initiator by the acknowledgement frame.
   当网络需要预防拥塞发生时，标记将以最快的速度到达接收端，并且被确认帧带回到发送端。