通过指定主机名称、端口号和所需的别名，将IRC客户机软件连接到服务器。
IRC client software then attaches to the server by specifying a host name, port number, and requested nickname.
还可以使用类似的命令删除任何别名，并且节点将恢复为将主机名称解析为IP地址。
Any alias can also be removed using similar commands, and the node will revert to resolving the host name as an IP address.
应用程序和常规用户所使用的符号名称不应该为表1中提及的任何主机名，并且他们应该只使用这些主机名的别名，如表2中所示。
The symbolic name used by applications and regular users should not be any of the host names referenced in Table 1, and they should only use an alias to these host names, as shown in Table 2.
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