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English thesaurus
Samples Per Inch
unit.meas., abbr.
SPI
Samples Per:
56 phrases
in 17 subjects
Aviation
3
Business
8
Commerce
3
Economy
2
Electronics
12
General
1
Geology
1
Geophysics
2
International trade
2
Oil / petroleum
1
Project management
2
Quality control and standards
2
Rail transport
2
Shipbuilding
3
Technology
8
Telecommunications
1
Textile industry
3
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