low frequency external signal
natural resonant frequency
Resonant frequency
共振频率
谐振频率
共振的频率
中耳共振频率
共振峰频率
响应频率
固有频率
谐振电压
频率
外推法
共振线
振频
resonant frequency acquired
resonant frequency meter
resonant frequency of traveling wave
seismometer resonant frequency
temperature coefficient of the resonant frequency
upper resonant frequency
vertical resonant frequency
frequency doubling antireflection coating
frequency doubling circuit
frequency doubling effect
frequency doubling perimetry
Frequency doubling scattering
self frequency doubling crystal
external thermal insulation for external wall
External thermal insulation of external wall
External Wall External Insulation