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| опытно-конструкторские работы | |||
| development and engineering: 79 phrases in 17 subjects |
| American usage, not spelling | 1 |
| Astronautics | 1 |
| Ecology | 2 |
| Energy industry | 5 |
| General | 8 |
| Geophysics | 1 |
| Gold mining | 1 |
| Law | 2 |
| Military | 40 |
| Oilfields | 2 |
| Programming | 3 |
| Quality control and standards | 1 |
| Technology | 2 |
| Thermal engineering | 1 |
| Trade classification | 4 |
| Transport | 2 |
| Weapons of mass destruction | 3 |