frequency error: 30 phrases in 13 subjects |
Advertising | 3 |
Computers | 1 |
Energy industry | 1 |
General | 3 |
Information technology | 3 |
Makarov | 3 |
Mathematics | 2 |
Nanotechnology | 2 |
Programming | 1 |
Quantum electronics | 2 |
Radio | 1 |
Technology | 4 |
Telecommunications | 4 |