NAT 转发应用于使用远程服务器，与本地主机相比需要更多的配置信息。

NAT forwarding is intended for use with remotely positioned servers and requires more setup information than is necessary for locally-hosted machines.

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所有用户信息和数据都存储在服务器上，而不是本地桌面上。

All the user information and data is stored on the servers, rather than on local desktops.

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辅助DNS服务器直接从主d NS服务器传输其区域信息，并在本地保留副本。

Secondary DNS servers transfer their zone information directly from the primary DNS server and keep a copy locally.

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