switching system : 144 phrases in 15 subjects |
Automatic control | 2 |
Communications | 53 |
Computers | 4 |
Electric traction | 2 |
Electronics | 52 |
Finances | 2 |
General | 4 |
Health care | 1 |
Information technology | 7 |
Mechanic engineering | 1 |
Microelectronics | 3 |
Optics branch of physics | 2 |
Technology | 2 |
Telecommunications | 5 |
Transport | 4 |