atenuação : 268 phrases in 27 subjects |
Agriculture | 3 |
Antennas and waveguides | 9 |
Brazil | 5 |
Communications | 33 |
Earth sciences | 14 |
Economy | 1 |
Electronics | 92 |
Environment | 5 |
General | 5 |
Health care | 12 |
Industry | 2 |
Information technology | 16 |
Labor law | 3 |
Law | 1 |
Life sciences | 4 |
Lighting other than cinema | 2 |
Magnetics | 8 |
Mechanic engineering | 1 |
Natural sciences | 2 |
Nuclear physics | 1 |
Piezoelectric crystals | 9 |
Radio | 15 |
Radiology | 10 |
Sound recording | 1 |
Telephony | 6 |
Thermal Energy | 1 |
Transport | 7 |