从唱片到CD光盘光盘是上个世纪80年代信息存贮技术领域里升起的一簇新星。一张光盘可存贮600兆数字化信息,相当于27.5万页A4纸文字或75分钟音乐。VCD进入家庭后,很多人结识了这种薄薄闪亮的塑料圆片。光盘和唱片不同,用唱片听音乐时,由于唱片易沾灰尘及易变形,放出的音乐杂音很 From Discs to CDs Discs are a rising star of information storage technology in the 1980s. A CD-ROM can store 600 megabytes of digital information, equivalent to 275,000 pages of A4 paper or 75 minutes of music. VCD into the family, many people get to know this thin shiny plastic disc. Discs and records are different, listening to music with a record, because the record easy to stick to dust and deformation, the music is very loud noise