Frequência: 1540 phrases in 65 subjects |
Agriculture | 3 |
Antennas and waveguides | 3 |
Astronautics | 2 |
Automatic control | 3 |
Brazil | 7 |
Chemistry | 3 |
Communications | 392 |
Earth sciences | 59 |
Economy | 2 |
Education | 2 |
Electric machinery | 4 |
Electric motors | 6 |
Electric traction | 3 |
Electrical engineering | 1 |
Electricity generation | 5 |
Electronics | 496 |
Energy industry | 3 |
Environment | 3 |
Finances | 3 |
General | 16 |
Health care | 16 |
Industry | 19 |
Information technology | 102 |
Insurance | 2 |
Labor law | 1 |
Law | 2 |
Life sciences | 15 |
Lighting other than cinema | 2 |
Magnetics | 10 |
Materials science | 1 |
Mathematics | 21 |
Mechanic engineering | 8 |
Medical | 34 |
Metallurgy | 12 |
Microsoft | 1 |
Natural sciences | 12 |
Obsolete / dated | 2 |
Patents | 1 |
Pharmacy and pharmacology | 4 |
Physical sciences | 5 |
Physics | 2 |
Piezoelectric crystals | 35 |
Power electronics | 1 |
Power lines | 9 |
Power system protection | 2 |
Radio | 39 |
Radiobiology | 1 |
Radiology | 2 |
Reliability | 4 |
Satellite communications | 3 |
Scientific | 1 |
Semiconductors | 3 |
Social science | 1 |
Sound recording | 4 |
Statistics | 64 |
Technology | 30 |
Telecommunications | 3 |
Telegraphy | 5 |
Telephony | 4 |
Thermal Energy | 9 |
Transport | 26 |
Vacuum tubes | 3 |
Video recording | 1 |
Welding | 1 |
Work flow | 1 |