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| biological needs | |||
| биологические потребности: 23 phrases in 14 subjects |
| Advertising | 1 |
| Biology | 1 |
| Biotechnology | 2 |
| Caspian | 1 |
| Chemistry | 1 |
| Ecology | 4 |
| Hydraulic engineering | 1 |
| Hydrology | 1 |
| Makarov | 2 |
| Medical | 1 |
| Oil and gas | 1 |
| Psychology | 1 |
| Sakhalin | 1 |
| Weapons of mass destruction | 5 |