perturbação : 167 phrases in 23 subjects |
Antennas and waveguides | 1 |
Automatic control | 2 |
Communications | 11 |
Earth sciences | 9 |
Economy | 2 |
Electricity generation | 1 |
Electronics | 10 |
Environment | 6 |
Finances | 5 |
General | 2 |
Health care | 42 |
Labor law | 2 |
Law | 5 |
Life sciences | 4 |
Magnetics | 12 |
Mathematics | 4 |
Medical | 30 |
Metallurgy | 1 |
Natural sciences | 1 |
Politics | 2 |
Radio | 3 |
Statistics | 10 |
Transport | 2 |