Finally, the client confirms receipt with an ack packet (see Figure 4).
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)。
同样的问题又发生了！
The ACK signal is usually an ASCII character that is reserved for that purpose.
应答信号通常是一个保留的ASCII字符。
The ACK signal is usually an ASCII character that is reserved for that purpose.
应答信号通常是一个保留的ASCII字符。
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