dual lay双线铺设
dualadj.双重的;成双的n.双数
Dual Critical Aimpoint Selection双重要标准选择
dual channel scanning radiometer双通道扫描无线电表
dual invariable-current source双恒流源
Dual zone gravel pack completion双层砾石充填完井
dual-tone multiple frequencies双音多频
Dual close-loop vector control双闭环矢量控制
dual-purpose rape/vegetable油蔬两用
dual threshold filtration scheme双级门限过滤机制
dual-polarization transmission双极化传输
dual beam speckle interferometry双光束散斑干涉法