retardo : 240 phrases in 33 subjects |
Agriculture | 2 |
Antennas and waveguides | 5 |
Automatic control | 5 |
Chemistry | 5 |
Coal | 4 |
Communications | 37 |
Computer numerical control | 8 |
Earth sciences | 12 |
Economy | 10 |
Electric traction | 2 |
Electronics | 70 |
Environment | 1 |
General | 6 |
Industry | 4 |
Information technology | 19 |
Magnetics | 2 |
Materials science | 1 |
Measuring instruments | 6 |
Mechanic engineering | 4 |
Medical | 3 |
Metallurgy | 6 |
Microsoft | 2 |
Navigation | 1 |
Piezoelectric crystals | 3 |
Radio | 2 |
Scientific | 1 |
Superconductivity | 2 |
Technology | 3 |
Telecommunications | 3 |
Telegraphy | 1 |
Thermal Energy | 1 |
Transport | 8 |
Video recording | 1 |