digital high-speed photography
fast-speed (high-speed) railway
GDS Global Digital high Speed road
HDSL High – speed Digital Subscriber Line
HDSL High – speed Digital Subscriber Loop
high speed counter current chromatography
high speed counter-current chromatography
high speed digital camera
High Speed Digital Circuit
high speed digital circuit design
High Speed Digital Computer
high speed digital control system
High Speed Digital Correlator
high speed digital integrated circuit
high speed digital integrated circuits
High Speed Digital Radio