波动式陷频UFFP
Undulate fall-frequency phenomenon UFFP
3-D声波波动方程
3-D acoustic wave equation
50Hz工频陷波器
50Hz power frequency notch filter
标量声波波动方程
scalar acoustic wave equation
波动式石墨化退火
graphitizing annealing with waving type of temperature holding
超高频波动率
ultra-high-frequency volatility
低频波动
low frequency wave
Low-frequency fluctuation
The tremors with lower frequency
Low frequency fluctuations
low-requency fluctuations
地壳波动波基面
wave-base of crustal undulation
电压波动波形
voltage fluctuation waveform