retraso : 138 phrases in 31 subjects |
Automatic control | 4 |
Chemistry | 3 |
Coal | 2 |
Commerce | 1 |
Communications | 4 |
Construction | 2 |
Earth sciences | 13 |
Economy | 6 |
Electronics | 31 |
Finances | 1 |
General | 8 |
Health care | 4 |
Information technology | 1 |
International Monetary Fund | 2 |
Law | 3 |
Life sciences | 1 |
Magnetics | 2 |
Mathematics | 3 |
Mechanic engineering | 8 |
Medical | 6 |
Metallurgy | 2 |
Microsoft | 5 |
Natural sciences | 1 |
Politics | 2 |
Power electronics | 4 |
Reliability | 5 |
Social science | 1 |
Statistics | 1 |
Taxes | 1 |
Transport | 10 |
Vacuum tubes | 1 |