最后，客户机使用一个ACK报文确认已接收到报文(请参见图4)。

Finally, the client confirms receipt with an ack packet (see Figure 4).

youdao

最后，客户机使用一个ACK报文确认已接收到报文(请参见图4)。

Finally, the client confirms receipt with an ack packet (see Figure 4).

youdao