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每一层 DVD盘上的数据均分为导入区(Lead-in Area)、数据区(Program Area)和导出区(Lead-out Area)三个区域。对双层 OTP盘而言,还有一个中间区(Middle Area)。 DVD盘上的数据是按扇区(Sector)形式组织
The data on each layer of DVD disk is divided into three areas: Lead-in Area, Program Area and Lead-out Area. For a two-tier OTP disk, there is also a middle area. The data on the DVD disc is organized in sectors