It is a formal description of the normal usage and management of the network system and it is a rule that the operators and managing staffs of the network system must obey.
是正常使用和管理网络系统的正式描述，是网络系统使用和管理人员必须遵守的规则。
It is a formal description of the normal usage and management of the network system and it is a rule that the operators and managing staffs of the network system must obey.
是正常使用和管理网络系统的正式描述，是网络系统使用和管理人员必须遵守的规则。
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