low-altitude
low-barrier
low-burst
low-cost
low-data
low-density
low-doped
low-emitter
low-energy
lower
  low-frequency
low-high-low
low-impedance
low-inductance
low-level
low-light
low-noise
low-order
low-pass
low-power
low-pressure

    low-frequency analysis and recording

    анализ и запись НЧ