dualsn.双排气管系统
dualadj.双重的;成双的n.双数
dual-cavityn.双凹槽
dual inductor双感应器
dual taxation双重课税
dual sampling双采样
dual-sealed双密封副
dual sequence对偶序列
dual schedule对偶排序
dual property二象性
Dual Economic二元经济
dual marriage对偶婚