onde : 973 phrases in 42 subjects |
Antennas and waveguides | 42 |
Brazil | 1 |
Chemistry | 5 |
Coal | 1 |
Communications | 151 |
Construction | 3 |
Earth sciences | 146 |
Economy | 4 |
Electric motors | 1 |
Electricity generation | 4 |
Electronics | 287 |
Energy industry | 7 |
Environment | 11 |
Finances | 1 |
General | 8 |
Health care | 7 |
Industry | 24 |
Information technology | 25 |
Labor law | 1 |
Life sciences | 75 |
Lighting other than cinema | 1 |
Magnetics | 4 |
Materials science | 1 |
Mathematics | 8 |
Mechanic engineering | 3 |
Medical | 11 |
Metallurgy | 3 |
Natural sciences | 23 |
Physical sciences | 16 |
Piezoelectric crystals | 8 |
Power lines | 1 |
Radio | 26 |
Radiobiology | 3 |
Radiology | 5 |
Scientific | 15 |
Sound recording | 2 |
Statistics | 1 |
Technology | 14 |
Thermal Energy | 7 |
Transport | 13 |
Vacuum tubes | 3 |
Video recording | 1 |