77 information processing - data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad , on 80 tracks on each side - part 2 : track format a for 77 tracks 信息处理数据交换用130mm改进调频制记录的位密度为13262磁通翻转弧度每面80条磁道的软磁盘第二部分:磁道格式a
80 information processing - data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad , on 80 tracks on each side . part 3 : track format b for 80 tracks 信息处理数据交换用130mm改进调频制记录的位密度为13262磁通翻转弧度每面80条磁道的软磁盘第三部分:磁道格式b
3 . 5in . 1 : information processing systems - data interchange on 90 mm 3 , 5 in flexible disk cartridges using modified frequency modulation recording at 15916 ftprad , on 80 tracks on each side - dimensional , physical and magnetic characteristics 信息处理系统.每面80磁道改进调频方式以15916次磁通变换弧度记录速率径向为90mm
Information processing - data interchange on 130mm flexible disk cartridges using modified frequency modulation recording at 13262 ftprad , on 80 tracks on each side - part 1 : dimensional , physical and magnetic characteristics 信息处理数据交换用130mm改进调频制记录的位密度为13262磁通翻转弧度每面80条磁道的软磁盘第一部分:尺寸物理性能和磁性能
Information processing systems - data interchange on 90mm flexible disk cartridges using modified frequency modulation recording at 15916 ftprad , on 80 tracks on each side - part 1 : dimensional , physical and magnetic characteristics 信息处理数据交换用90mm改进调频制记录的位密度为15916磁通翻转弧度每面80条磁道的软磁盘第一部分:尺寸物理性能和磁性能