dual.abbr.=dynamic universal assembly language 动态通用组合语言dualadj.双重的；成双的n.双数Dual synchronous PWM二重化同步PWMdual chain drawbench双链式拉拔机Dual Protocols Stack双协议栈Dual track operation基准站双轨dual-earner family双职工家庭dual channel control双通道控制dual-accelerometer双加速度计Dual oxidized system双重氧化系统dual-aquatic phase双水相dual resonance model双关共振模型