系统镜像制作工具，可对整个计算机或磁盘进行镜像操作，镜像文件可加密并压缩，分割储存到多个设备中，软件会自动进行分割。
Tool System Mirror, mirror on the whole computer or disk for operation, image files can be compressed and encrypted. divided into a number of storage equipment, software will be automatically divided.
硬件 硬件是指储存数据库和运行DBMS的硬件资源，包括存储物理数据库的磁盘或其它存储及辅助设备。
The hardware is refers to the storage database and moves the DBMS hardware resources, including memory physics database floppy disk or other memories and supporting facility.
数据库可以储存在磁盘或磁带，光碟或其他间接的存储设备上。
Databases can be stored on magnetic disk or tape, optical disk, or some other secondary storage device.
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