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| subsonic | |||
| infrasonic; subsonic (щодо швидкості; про швидкість польоту) | |||
| transonic | |||
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дозвуковий : 44 phrases in 10 subjects |
| Aerodynamics | 5 |
| Astronautics | 6 |
| Aviation | 12 |
| Construction | 2 |
| Ecology | 1 |
| Military | 13 |
| Physics | 1 |
| Technology | 2 |
| Telecommunications | 1 |
| Transport | 1 |