2-D horizontal flow and sediment model

2D horizontal model

2-D horizontal numerical model

3-D horizontal well

a horizontal inscribed board

Abnormal horizontal seismic reflection

above-ground horizontal silage silos

accuracy of horizontal control

additional horizontal force

additive horizontal force

addressable horizontal position

adjustable horizontal bar

aircraft horizontal tail

alignment horizontal displacement equipment

alignment horizontal displacement meter

Amplitude of horizontal swing

Analog JB horizontal pendulum

anomalous element horizontal zoning characteristics

anomaly horizontal gradient

apparent horizontal overlap