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|
sound ranging : 155 phrases in 20 subjects |
| Acoustics | 7 |
| Air defense | 2 |
| Artillery | 31 |
| Automated equipment | 1 |
| Aviation | 1 |
| Fish farming pisciculture | 1 |
| General | 3 |
| Geophysics | 1 |
| Household appliances | 1 |
| Makarov | 6 |
| Military | 67 |
| Nautical | 7 |
| Navigation | 3 |
| Non-destructive testing | 1 |
| Oil and gas | 2 |
| Politics | 1 |
| Shipbuilding | 2 |
| Soviet | 3 |
| Space | 2 |
| Technology | 13 |