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| Английский тезаурус | |||
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| The initial voice contact between a facility and an aircraft, using the identification of the unit being called and the unit initiating the call | |||
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initial contact : 4 фразы в 4 тематиках |
| Авиация | 1 |
| Военный термин | 1 |
| Космос | 1 |
| Нефть и газ | 1 |