emissão : 454 phrases in 45 subjects |
Accounting | 2 |
Antennas and waveguides | 3 |
Banking | 2 |
Brazil | 3 |
Chemistry | 3 |
Communications | 74 |
Construction | 1 |
Earth sciences | 36 |
Ecology | 4 |
Economy | 10 |
Electronics | 82 |
Energy industry | 2 |
Environment | 49 |
Finances | 49 |
General | 12 |
Health care | 5 |
Hobbies and pastimes | 2 |
Industry | 4 |
Information technology | 13 |
Law | 13 |
Life sciences | 3 |
Lighting other than cinema | 1 |
Magnetics | 10 |
Marketing | 1 |
Medical | 1 |
Metallurgy | 4 |
Microsoft | 3 |
Natural sciences | 1 |
Obsolete / dated | 3 |
Patents | 11 |
Pharmacy and pharmacology | 1 |
Physical sciences | 2 |
Physics | 2 |
Power lines | 1 |
Radio | 4 |
Radiology | 2 |
Rail transport | 1 |
Statistics | 1 |
Technology | 2 |
Telecommunications | 1 |
Telegraphy | 3 |
Telephony | 2 |
Thermal Energy | 2 |
Transport | 17 |
Vacuum tubes | 6 |