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CD-R是英文CD Recordable的简称,中文简称CD刻录机。CD-R的另一英文名称是CD-WO(Write Once),意为只写一次,写完以后的CD-R盘片无法被改写,但可以像CD-ROM盘片一样,在CD-ROM驱动器和CD-R驱动器上反复地读取多次。CD-R的最大优点就是其记录成本在各种光盘存储介质中最低,每兆字节的花费低于人民币0.1元。CD-R光盘的寿命(Lifetime)长达70～100年,而一般传统光盘的平均寿命只有30年左右。
CD-R is English referred to as CD Recordable, Chinese referred to as CD burner. CD-R’s another English name is CD-WO (Write Once), which means write-once, after the completion of the CD-R disc can not be rewritten, but can be like a CD-ROM disc, the CD-ROM Read repeatedly on the drive and on the CD-R drive. The biggest advantage of the CD-R is that its recording cost is the lowest of any optical disk storage media, costing less than Rmb0.1 per megabyte. The Lifetime of a CD-R disc is as long as 70 to 100 years, while the average life span of a conventional disc is only about 30 years.