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эхо : 273 phrases in 32 subjects |
| Artillery | 1 |
| Astronomy | 6 |
| Automated equipment | 3 |
| Aviation | 9 |
| Cardiology | 1 |
| Chemistry | 2 |
| Cinema equipment | 4 |
| Communications | 2 |
| Computers | 19 |
| Construction | 3 |
| Electronics | 22 |
| General | 15 |
| Geophysics | 1 |
| Mass media | 1 |
| Medical | 37 |
| Medical appliances | 28 |
| Metrology | 3 |
| Microelectronics | 1 |
| Microsoft | 1 |
| Military | 25 |
| Missiles | 5 |
| Nautical | 6 |
| Navy | 9 |
| Oceanography & oceanology | 4 |
| Polymers | 1 |
| Quantum electronics | 4 |
| Radio | 30 |
| Radiolocation | 2 |
| Shipbuilding | 4 |
| Sound recording | 9 |
| Stereo | 2 |
| Technology | 13 |