在目标主机，数据包被传递至udp协议程序并送到目的地端口。

At the destination host, the packet is passed up to UDP and delivered to the destination port.

youdao

在目标主机，数据包被传递至udp协议程序并送到目的地端口。

At the destination host, the packet is passed up to UDP and delivered to the destination port.

youdao