dvd-ram

Out of all the recordable DVD formats, the DVD-RAM has the highest data security as it possesses an engraved sectoring and an elaborate fault management, like hard discs.

从所有的可记录的数字化视频光格式，数字化视频光随机存取储存器有最高的数据安全当它持有一刻部门和一精细的过失管理，像难的圆盘。