continuously directional image
cone-efficient directional derivative
combined directional control
combination directional valve
coaxial directional coupler
closed center directional stem
burden in directional blasting
broadside directional antenna
broadband directional couplerBritish thermal unit
Broadband directional coupler
branch-waveguide directional coupler
block-wise directional histogram of motion vectors
Blast hole directional measurement device
bidirectional replication