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据“Plastics & Rubber Weekly”,2003-7-09报道,美国、欧洲和香港已开始用环烯烃聚合物(COP)工业化生产新一代光碟-SACD(超音频CD),这种由荷兰菲利浦(Philips)和日本索尼(Sony)公司共同开发的SACD是一种组合式CD,即650 MB的一般CD与密度为4.7GB的第二张光碟粘合在一起。可
According to “Plastics & Rubber Weekly”, 2003-7-09 reported that the United States, Europe and Hong Kong have started industrial production of a new generation of CD-SACD (Super Audio CD) with cycloolefin polymer (COP) SACD, developed jointly by Philips and Sony Corporation of Japan, is a combo CD, a 650 MB regular CD glued to a second disc of 4.7 GB density. can