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| натурные испытания (в эксплуатационных условиях) | |||
| натурное исследование | |||
| натуральные испытания | |||
|
test in situ : 13 phrases in 10 subjects |
| Astronautics | 1 |
| Construction | 3 |
| Ecology | 1 |
| Electrical engineering | 1 |
| Electronics | 1 |
| Military | 1 |
| Nautical | 1 |
| Nuclear and fusion power | 1 |
| Quality control and standards | 1 |
| Technology | 2 |