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据《日本经济新闻》 2 0 0 2年 1 2月 2 2日报道 ,日本的一些企业和大学计划联合研制一种能储存 1 .5兆兆 ( 1 0 12 )字节的光盘 ,其容量相当于 3 0 0张DVD。这种光盘可用来录制3 0 0部长达两小时的电影 (标清规格 ,MPEG-2压缩标准 ) ,它的播放器也可兼容标准的DVD。这种直径为
According to “Nihon Keizai Shimbun” (February 22, 2002), some Japanese enterprises and universities planned to jointly develop a compact disk capable of storing 1.5 million bytes (1,012 bytes) of equivalent capacity On 300 DVDs. This disc can be used to record 300 movies for up to two hours (SD standard, MPEG-2 compression standard), and its player is also compatible with standard DVD. This diameter is