n.磁盘记录系统 disk recording: 盘录声recording disk: 记录磁盘; 记录盘disk recording format: 磁碟记录格式; 磁盘记录格式magnetic disk recording: 磁盘记录recording system: 备案制度; 记录系统下载手机词典可随时随地查词查翻译