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
1860 MPa grade PC strand
1st grade clean operating room
Ⅱb type gem grade diamond
3(superscript rd) Grade mathematics
Ⅲ grade hot-rolled ribbed bar