active feedback compensation
Active feedback intercept
Feedback active control
Feedback Active Duct Noise Control
active current negative feedback
active pressure feedback-equipment
novel active frequency drift with feedback
active-active transient mode-locking technology
active or semi-active suspension
negative feedback [= reverse feedback]
2nd-Order Active Filter
302-A special active carbon for removing red-lustre
3-phase 4-wire active power filter
5th seismically active period
9-anthracene active substitute compounds