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| 下第三系; 早第三纪; 老第三纪; 古近纪; 古近系; 古第三纪; 古近 | |||
| 古第三纪的; 旧第三纪的 | |||
| палеогеновый: 17 phrases in 2 subjects |
| Geology | 15 |
| Paleontology | 2 |
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