Ausgangssignal: 31 phrases in 13 subjects |
Communications | 2 |
Computer numerical control | 1 |
Computers | 1 |
Electronics | 10 |
Foreign trade | 2 |
Information technology | 5 |
Measuring instruments | 2 |
Mechanic engineering | 1 |
Power lines | 2 |
Programming | 1 |
Refrigeration | 1 |
Transport | 1 |
Радиоактивное излучение | 2 |