 |
| |||
| отражённый ультразвуковой сигнал | |||
| ultrasonic echo: 17 phrases in 11 subjects |
| Automated equipment | 1 |
| Hydrology | 1 |
| Makarov | 2 |
| Medical | 3 |
| Medical appliances | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 2 |
| Quality control and standards | 1 |
| Technology | 1 |
| Transport | 3 |
| Weapons of mass destruction | 1 |