data transport functions
data transport services
real-time data transport
walking tractor transport unit
logging and seismic data unit
Panel Data Unit Root Tests
convesion of curved-surface data into borizontal-plane data
data processing for piecing together various 3 D data sets
ratio of test data to design data
seismic data transmission data
test data and the highest data
identical unit or proportional unit of the body
time-rock unit =time-stratigraphic unit