differences method - district
- diffracted wavefront
- diffracting point
- diffraction
- diffraction amplitude
- diffraction collapse
- diffraction curvature
- diffraction curve
- diffraction direction
- diffraction effect
- diffraction event
- diffraction feature
- diffraction hyperbola
- diffraction migration
- diffraction pattern
- diffraction phenomenon
- diffraction problem
- diffraction stack method of migration
- diffraction stack migration
- diffraction time-distance curve
- diffraction tomography
- diffraction traveltime curve
- diffraction traveltime graph
- diffraction waveform
- diffractometer
- diffractometry
- diffuse reflector
- diffuser
- diffusion
- diffusion absorption potential of sp
- diffusion banding
- diffusion digger
- diffusion effect
- diffusion flow
- diffusion potential
- diffusion ventilation
- diffusion-ventilated
- diffusive
- dig across
- dig down
- dig for coal