 |
| frequency range: 58 phrases in 13 subjects |
| Communications | 8 |
| Electronics | 8 |
| General | 3 |
| Information technology | 1 |
| Measuring instruments | 1 |
| Medical appliances | 1 |
| Microelectronics | 1 |
| Optics branch of physics | 1 |
| Physics | 25 |
| Piezoelectric crystals | 2 |
| Technology | 5 |
| Telecommunications | 1 |
| Transport | 1 |