磁带机 '%4' 中装入了未命名的磁带(簇 ID %1，序列 %2，media_set_guid %3)。这只是一条信息性消息，不需要用户执行任何操作。
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English version
Unnamed tape (family ID %1, sequence %2, media_set_guid %3) is mounted on tape drive '%4'. This is an informational message only. No user action required.
SQL Server