Hard disk imaging is a new technology that CDs are cached to hard drives automatically in ISO 9660 Format. It retains all properties of CDs, and has function of anti virus and anti modification of data.

• 硬盘镜像是将CD-ROM光盘按ISO 9660的光盘格式压缩或不压缩地“镜像”到硬盘中的一种新技术,硬盘镜像完整地保留了CD光盘的属性,并且具有防病毒侵袭和数据被改写的功能。