2Hz低频低电流电针刺激  Cutaneous microcirculation

低-低-低任务  lo-lo-lo mission

低频低幅  low frequency and amplitude

低频低压  Low Frequency and Low Voltage

低频低压减负荷  under_frequency and under_voltage unloading

低频低压减载  low-frequency and low-voltage load shedding; low-frequency and low-voltage load reduction; frequency and low voltage load shedding

低频频率  Low-frequency

低频频率计  low-frequency meter

低频频谱分析仪  LF frequency spectrum analyzer

高分辨率低频频谱分析仪  high resolution LF frequency spectrum analyzer

双通道数字式低频频谱分析仪  double-channel digital low-frequency spectrum analyzer

跳频/跳时  frequency hopping time hopping; fh/th

跳频频率  hopping frequency

跳频频率合成器  frequency hopping synthesizer

[低频]颤动  WOW

30～60天低频振荡  day low-frequency oscillation

30~70d低频振荡  30-70d Oscillations

30-60天低频环流系统  Low-frequency monsoon circulation

30-60天低频振荡  3060 day low-frequency oscillation

CMOS射频低噪声放大器  CMOS RF LNA Low Noise Amplifier; activated sludge aeration