技术数据交换 meaning in Chinese

tdi technical data interchange

Information technology - 90mm optical disk cartridges , rewritable and read only , for data interchange
信息技术数据交换用90mm可重写和只读盒式光盘
Information technology - data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side - gb type 303
信息技术数据交换用90mm改进调频制记录的位密度为31831磁通翻转弧度每面80磁道的软磁盘gb 303型