每个包包含了源地址和目的地址和其他分开发送数据包。
Each packet includes the source address and the destination address and is sent separately from other packets.
每个通信携带源地址和目的地址的网络和与用户相关的特定的机器在网络或主机两端。
Each communication carries the address of the source and destination networks and the particular machine within the network associated with the user or host computer at each end.
你们的词句并不包含任何寻址信息，因为在通话两端有一个点对点的虚拟连接存在，而这个连接本身就意味着特定的源地址和目的地址。
Your words contain no addressing information, as a point-to-point virtual connection exists between both ends of the call, and the connection itself implies a particular source and destination.
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