Imagens : 894 phrases in 41 subjects |
Antennas and waveguides | 1 |
Art | 1 |
Commerce | 1 |
Communications | 236 |
Cultural studies | 25 |
Earth sciences | 41 |
Economy | 3 |
Education | 1 |
Electronics | 103 |
Environment | 21 |
Finances | 1 |
Forestry | 1 |
General | 19 |
Health care | 16 |
Immigration and citizenship | 1 |
Industry | 12 |
Information technology | 110 |
Law | 1 |
Life sciences | 11 |
Magnetics | 1 |
Marketing | 7 |
Materials science | 2 |
Mathematics | 2 |
Medical | 26 |
Metallurgy | 2 |
Mexican | 1 |
Microsoft | 107 |
Natural sciences | 24 |
Patents | 36 |
Radio | 43 |
Religion | 2 |
Semiconductors | 1 |
Social science | 1 |
Superconductivity | 2 |
Technology | 5 |
Telecommunications | 1 |
Telegraphy | 3 |
Telephony | 1 |
Transport | 8 |
Vacuum tubes | 10 |
Video recording | 4 |