USB海量存储设备类规范包括四个独立的子类规范：(ATA command的那个没有) ①USB Mass Storgage Class Control/Bulk/Interrupt(CBI)Transport ②USB Mass Storage Class Bulk-Only Transport ③USB Mass Storage Class ATA Command Block ④USB Mass Stroage Class UFI Command Specificatio

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发SCSI命令对磁盘信息的获得，程序由c编写-SCSI command issued to obtain information on the disk, the program prepared by the c