noise reduction method - offset vertical seismic profile
- nonplanar datum
- nonplankton
- nonplunging fold
- nonpolarizing electrode
- nonpredatory
- nonpredatory relations
- nonproducing section
- nonproducing sections
- nonradiogenic
- nonrelativistic relation
- nonrelaxing
- nonreplaceable
- nonrotational deformation
- nonrotational strain
- nonsaline
- nonsegmented
- nonseismic region
- nonselective feeding
- nonseptate
- nonsequence