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振动频率 zhèndòng pínlǜ
avia.	harmonic frequency
hydroel.st.	vibration frequency; frequence of vibration
met.	frequency of vibration; vibrational frequency
nucl.pow.	vibration frequencies
railw.	resonance frequency
soil.	frequency of vibrations
tech.	frequency of oscillation; frequency of shock; oscillation frequency
振动荡频率
auto.	oscillation frequency
固有振动频率 zhèndòng pínlǜ
gen.	eigentone

振动频率: 44 phrases in 12 subjects

Air defense	1
Automobiles	5
Compressors	2
Earth sciences	1
Electronics	3
General	1
Metallurgy	3
Oil / petroleum	2
Space	3
Technology	21
Telecommunications	1
Wind Energy	1