two- - upho
- two-circle goniometer
- two-coil induction log system
- two-component material
- two-day cycle
- two-dimensional display
- two-dimensional distribution
- two-dimensional field
- two-dimensional half-plane
- two-dimensional half-space
- two-dimensional image
- two-dimensional inhomogeneity
- two-dimensional interpretation
- two-dimensional isotropy
- two-dimensional mass
- two-dimensional medium
- two-dimensional microdensitometer
- two-dimensional model
- two-dimensional network
- two-dimensional pattern
- two-dimensional pulse
- two-dimensional seismology
- two-dimensional syncline
- two-dimensional wave
- two-drum
- two-drum hoist
- two-electrode IP
- two-electrode normal
- two-electrode system
- two-frame system
- two-gate feeder
- two-handed firing
- two-input adder
- two-jaw grab
- two-layer curve
- two-layer geometry
- two-layer ground
- two-layer model
- two-layer section
- two-layer system
- two-layered half-space
