光电双狭缝干涉计
photoelectric double-slit interferometer
双通道交流伺服系统
dual-channel AC servo system
双通道解调器
double-channel demodulator
双通道开关磁阻电机
dual-channel switched reluctance machine
双通道继电测试
Two-channel relay feedback
双通道励磁控制
dual-passage excitation control
双通道滤波器组
two-channel PR filter banks