The entire Lowrance HDS-5 unit is also sealed and waterproofed with built-in Backup Memory capabilities for exceptional durability.
劳伦斯HDS-5探鱼器整体采用了超级耐用的记忆性功能材料，以此其固定和防水性能更加。
This memory is used by database level tasks such as backup/restore, locking, and SQL executions.
这种内存用于数据库级的任务，例如备份/恢复、锁定和 SQL 的执行。
Large Pool - Memory allocated for use by RMAN for backup and recovery.
大型池——分配给RMAN用于备份和恢复的内存。
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