发电机接地保护
gererator grounding protection
发电机3ω定子接地保护
generator stator ground protection based on the third harmonics
多种接线模式
manifold connection modes
独立边带接收器
independent sideband receiver
独立边带接收机
independent-sideband receiver
调谐射频接收器
Tuned radio frequency reception
tuned radio frequency receiver
调谐射频接收机
tuned radio frequency receiver
调相接收机
phase-modulation receiver
调频接收机
frequency modulation receiver
frequency modulated receiver
FMR Frequency Modulated Receiver
FM Receiver
receiver
Fm
frequency-modulated receiver
fremodyne
电子管接收机
vacuum-tube receiving set
典型接线模式
typical network configuration