复制cd

duplicating───v.复制；重复；复印；使加倍（duplicate的现在分词）

duplicating machine───复印机，仿型机床

duplicating machines───复印机

deduplicating───重复数据消除

duplicand───n.双租地税

duplicated───v.复制；复印；（使）成倍增加；（无必要地）重复（某事）（duplicate的过去式及过去分词）

duplication───n.复制；副本；成倍

duplications───n.复制；副本；成倍

duplicative───加倍的

CD-R disks are rapidly improved for application in the field of duplicating data, data exchanging, multimedia application and desktop publishing.───盘片在数据备份与交换、多媒体应用、桌面出版等众多领域得到了广泛应用。

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