【电】 noise reducing antenna system
cut down; reduce; decrease; fall off; grow downwards; subtract
【计】 RED
【医】 abate; decrement; deplete; diminution; meio-; mio-; reduce; reduction
spano-
【经】 abate; cutback; reduction; slow
cacophony; noise; souffle
【化】 unpitched sound
【医】 murmur; souffle; susurration; susurrus
【电】 aerial system
all; gather into one; interconnected system; together; tube-shaped part