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frequenz : 433 phrases in 43 subjects |
| Analytical chemistry | 2 |
| Antennas and waveguides | 4 |
| Artificial intelligence | 1 |
| Astronomy | 8 |
| Automated equipment | 14 |
| Business | 1 |
| Chemistry | 1 |
| Communications | 63 |
| Computers | 4 |
| Construction | 1 |
| Earth sciences | 10 |
| Electric motors | 2 |
| Electric traction | 4 |
| Electricity generation | 1 |
| Electronics | 76 |
| General | 15 |
| Health care | 2 |
| High energy physics | 10 |
| Industry | 3 |
| Information technology | 22 |
| Life sciences | 1 |
| Marketing | 2 |
| Mathematics | 3 |
| Measuring instruments | 13 |
| Mechanic engineering | 2 |
| Medical | 2 |
| Medical appliances | 9 |
| Metallurgy | 2 |
| Microelectronics | 6 |
| NATO | 1 |
| Natural resourses and wildlife conservation | 4 |
| Nuclear physics | 2 |
| Optics branch of physics | 21 |
| Physics | 12 |
| Piezoelectric crystals | 6 |
| Radiation | 1 |
| Radio | 3 |
| Satellite communications | 1 |
| Sound recording | 2 |
| Statistics | 1 |
| Technology | 86 |
| Telecommunications | 1 |
| Transport | 8 |