发出命令，以便“打开”存储在磁盘中的顾客数据库文件，从概念上讲“打开”既类似于用手打开文件柜中的顾客文件。

Give the command to open up the customer database file stored on your disk, which is similar in concept to manually opening up the customer file in a filing cabinet.

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磁盘弹子锁通常用于办公桌和文件柜。

Disk-tumbler locks are often used in desks and file cabinets.

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本发明实现了磁盘阵列中主柜对扩展柜的动态监控，节约了系统资源且保障了系统运行。

By adopting the invention, the main cabinet realizes the dynamic monitoring of the extension cabinet in the disk array, saves system resource and guarantees system operation.

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