alternate SC交替的副载波alternatev.交替；轮流adj.间隔的；轮流的；交替的n.代替者；供替代的选择alternate sector ID备份扇区标识符, 替换扇面标识符alternate switching交互切换alternate accordion交错浮线提花alternate track pool替代轨迹组alternate in the job轮流工作alternate record key次记录键alternate track area替代轨道区alternate hemiplegia交叉性偏瘫alternate consumable可替代消费品alternate processing抉择加工,可变剪接加工