bloqueio : 303 phrases in 31 subjects |
Agriculture | 4 |
Antennas and waveguides | 12 |
Brazil | 24 |
Chemistry | 2 |
Communications | 30 |
Data processing | 1 |
Earth sciences | 4 |
Economy | 3 |
Electric machinery | 1 |
Electric traction | 5 |
Electronics | 78 |
Finances | 2 |
General | 8 |
Health care | 1 |
Industry | 2 |
Information technology | 13 |
Law | 2 |
Life sciences | 1 |
Magnetics | 1 |
Mechanic engineering | 27 |
Medical | 17 |
Metallurgy | 2 |
Microsoft | 15 |
Natural sciences | 1 |
Power electronics | 4 |
Radio | 2 |
Technology | 1 |
Telecommunications | 1 |
Transformers | 1 |
Transport | 33 |
Vacuum tubes | 5 |