 |
natural
nuclear fission reactor | Oklo
| Natural | |
| food.ind. abbr. | N |
| Oklo | |
| abbr. nucl.pow. | natural nuclear fission reactor Oklo |
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| N | |||
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| nat | |||
| natural: 7 phrases in 3 subjects |
| Abbreviation | 2 |
| Energy industry | 4 |
| Oceanography & oceanology | 1 |