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English thesaurus
Doubles Detector
abbr., post	DD (on AFCS-DD, 2004)

Doubles: 195 phrases in 39 subjects

Agriculture	2
Antennas and waveguides	1
Cables and cable production	2
Chemistry	3
Construction	9
Criminal law	1
Earth sciences	6
Economy	2
Electric machinery	1
Electric motors	3
Electric traction	6
Electronics	11
Finances	2
Fish farming pisciculture	3
Forestry	5
General	2
Industry	18
Information technology	2
Law	3
Life sciences	1
Materials science	2
Mechanic engineering	6
Medical	1
Metallurgy	8
Microsoft	4
Natural sciences	2
Power electronics	1
Power lines	7
Power system protection	1
Printed circuit boards	2
Radio	1
Radiology	2
Rail transport	2
Statistics	1
Taxes	2
Technology	61
Telecommunications	1
Telegraphy	4
Transport	4