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development test | |||
developmental test; development trials; development trial |
испытания на этапе разработки : 16 phrases in 7 subjects |
Astronautics | 3 |
General | 1 |
Military | 1 |
Nanotechnology | 2 |
Quality control and standards | 3 |
Seismology | 1 |
Technology | 5 |