actual derived data item

actual result data item

actual source data item

data item

index data item

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

alphabetic

alphabetic axis

alphabetic character

alphabetic code

alphabetic coding

Alphabetic marking

alphabetic numeric

alphabetic numeric printer

alphabetic printer

alphabetic puncher