check reference point
| flyover time
| check reference point abbr. | |
| avia. | контрольный ориентир |
| flyover time abbr. | |
| avia. | время пролёта |
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| контрольный ориентир | |||
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check reference point : 2 phrases in 2 subjects |
| Helicopters | 1 |
| Politics | 1 |