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| стоимость исследовательских работ | |||
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| затраты на научные исследования | |||
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research cost : 10 phrases in 6 subjects |
| Astronautics | 1 |
| Business | 2 |
| Construction | 1 |
| Economy | 4 |
| General | 1 |
| Oil and gas technology | 1 |
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