| |||
| разработка природных ресурсов морского дна; эксплуатация природных ресурсов морского дна | |||
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seabed exploitation : 4 phrases in 4 subjects |
| Ecology | 1 |
| Fish farming pisciculture | 1 |
| Maritime law & Law of the Sea | 1 |
| Natural resourses and wildlife conservation | 1 |