perturbations : 172 phrases in 31 subjects |
Agriculture | 1 |
Astronautics | 1 |
Automatic control | 3 |
Climatology | 2 |
Commerce | 2 |
Communications | 18 |
Computer numerical control | 6 |
Earth sciences | 12 |
Economy | 4 |
Electricity generation | 1 |
Electronics | 23 |
Energy industry | 2 |
Environment | 11 |
Finances | 10 |
Forestry | 2 |
General | 4 |
Health care | 4 |
Information technology | 2 |
International Monetary Fund | 6 |
Labor law | 1 |
Law | 2 |
Life sciences | 11 |
Magnetics | 15 |
Mathematics | 6 |
Measuring instruments | 2 |
Mechanic engineering | 1 |
Medical | 7 |
Metallurgy | 1 |
Natural sciences | 4 |
Statistics | 5 |
Transport | 3 |