imagens : 987 phrases in 42 subjects |
Antennas and waveguides | 1 |
Art | 2 |
Commerce | 1 |
Communications | 264 |
Cultural studies | 28 |
Earth sciences | 41 |
Economy | 3 |
Education | 1 |
Electronics | 101 |
Environment | 30 |
Finances | 2 |
Forestry | 1 |
General | 15 |
Health care | 18 |
Immigration and citizenship | 5 |
Industry | 20 |
Information technology | 130 |
Law | 1 |
Life sciences | 12 |
Magnetics | 1 |
Marketing | 5 |
Materials science | 1 |
Mathematics | 2 |
Medical | 28 |
Metallurgy | 2 |
Microsoft | 103 |
Natural sciences | 23 |
Patents | 36 |
Radio | 65 |
Radiobiology | 1 |
Radiology | 1 |
Religion | 1 |
Semiconductors | 1 |
Social science | 1 |
Superconductivity | 2 |
Technology | 10 |
Telecommunications | 1 |
Telegraphy | 3 |
Telephony | 1 |
Transport | 9 |
Vacuum tubes | 10 |
Video recording | 4 |