单词	primary harmonic
释义	primary harmonic 一次谐波
随便看	stable pressuresteam blowing stable pressurizing stable price stable prices stable prices/employment stable primary cohomology operation stable primary tuberculous complex stable probability distribution stable problem stable process stable product stable production stable production condition stable production period stable profile stable program stable programming stable propellant stable property stable pulse generator stable pulse generator clock stable push stable quality Stable quality and good reputation stable quantity