In our dearth of ack-ack guns all sorts of contrivances were used.

在缺少高射炮的时候，我们利用了各种各样的巧妙方法。

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First is the definition of this Acknowledgment or ack; both SOAP stacks must understand what an ack is: what it looks like, what it means, and how to send it.

首先是Acknowledgment或者ack的定义；两个soap堆栈都必须理解ack是什么：其像什么，它意味着什么，以及如何发送它。

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The tcp_input () routine on the client side processes the SYN ACK packet, and calls tcp_output () to send an ACK packet back to the server.

客户端上的 tcp_input ()例程处理SYNACK包，并调用 tcp_output ()将 ACK 包发回到服务器。

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The tcp_input () routine on the client side processes the SYN ACK packet, and calls tcp_output () to send an ACK packet back to the server.

客户端上的 tcp_input ()例程处理SYNACK包，并调用 tcp_output ()将 ACK 包发回到服务器。

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