low-limed
low-loaded
low-loss
low-maintenance
low-manganese
low-melting
low-melting-point
low-mobility
low-molecular
low-molecular-weight
  low-noise
low-octane
low-ohmic
low-oil-content
low-orbit
low-orbiting
low-order
low-pase
low-pass
lowpass-filter
low-permeability

    low-noise grating

    дифракционная решётка с низким уровнем шумов