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Star Diagnosis System
astr., abbr. SDS
Star: 62 phrases in 19 subjects
Agriculture2
American usage, not spelling1
Antennas and waveguides2
Automatic control1
Botany1
British usage, not spelling1
Chemistry2
Construction1
Electric motors1
Electricity generation3
Electronics3
Environment2
Forestry1
General17
Medical1
Microsoft6
Polymers2
Power system protection2
Radio13