保护服务器(ptserver)—负责维护保护数据库(PDB)，此数据库建立了用户或组名称与其内部的数值的AFS标识符之间的映射。

Protection server (ptserver) - Maintains protection database (PDB) that maps between user or group names and their internal numerical AFS identifiers.

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本标准不包含与使用参与者标识符相关的个人信息安全和隐私保护等内容。

This standard does not include participant identifier associated with the use of personal information security and privacy protection.

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受保护的保留字不能用作标识符。

Protected reserved keywords cannot be used as identifiers.

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