dual RF双射频
dualadj.双重的;成双的n.双数
dual exchange market双重外汇市场
dual-frequency GPS双频GPS
Dual mechanical seal双端面机械密封
dual support - leg双支腿
dual-career family双职工家庭
dual-channel audio双通道音频
dual-stage control双级控制
dual-closed-loop双闭环直流调速
dual Schmidt trigger双重施密特触发器
Dual Characteristics双重性