Coordinate Data File

data descriptor

Data File

data file of figure

data record

digital data file

field data record

File Data

geological data file

nuclear data file

raw data file

access by record file address

file record

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

“point” data

△-∑ data converter