不同的光盘电子出版物都是针对特定的对象和应用环境开发的,因此,它们都有各自的使用范围。目前主要的光盘类型有: 1.CD-ROM(Compact Disc-Read Only Memo-ry)。专指计算机的只读光盘,主要用于计算机做外存储单元。 2.CD-DA。指小型数字化音频唱片,一般称为CD唱片或镭射唱碟。 3.CD-R。可录式光盘,通过CD-R技术可将数据写入特制的空CD光盘中,可在标准的CD播放机以及CD-ROM光盘驱动器中读出。 4.CD-G(Compact Disc-Graphic)。也称为卡拉OK盘。不仅具有音乐伴奏,而且屏幕上可以展现歌词 Different disc electronic publications are developed for a specific audience and application environment, so they all have their own scope of use. At present the main types of discs are: 1. CD-ROM (Compact Disc-Read Only Memo-ry). Refers to the computer CD-ROM, mainly for computer external memory unit. 2.CD-DA. Refers to small digital audio recordings, commonly known as CDs or CDs. 3.CD-R. Recordable discs, which write data to a specially crafted, empty CD-ROM through CD-R technology, can be read on standard CD players and CD-ROM drives. 4.CD-G (Compact Disc-Graphic). Also known as karaoke plate. Not only musical accompaniment, but also lyrics on the screen