long-period wave - magnetic resonance log
- low youthful relief
- low-accuracy wave equation
- low-amplitude
- low-amplitude anomaly
- low-amplitude arrival
- low-amplitude noise
- low-amplitude reflection
- low-angle
- low-angle cross-bedding
- low-angle fault
- low-angle overthrust
- low-calc
- low-coal deposit
- low-coal mine
- low-cut filter
- Low-Cut slope
- low-density body
- low-density material
- low-density rock
- low-energy source
- low-fold seismic data
- low-frequency component
- low-frequency current
- low-frequency cutoff
- low-frequency electric field
- low-frequency electromagnetic profiling
- low-frequency electromagnetic survey
- low-frequency equipment
- low-frequency event
- low-frequency filter
- low-frequency oscillations
- low-frequency Pockels constant
- low-frequency pulse
- low-frequency reflection
- low-frequency residual statics
- low-frequency resistivity method
- low-frequency signal
- low-frequency source
- low-frequency variations
- low-frequency vibration