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| 宾夕法尼亚州人，居民的; 宾夕法尼亚纪系的 | |||
| period 宾夕法尼亚期 | |||
| 宾夕法尼亚州人; 宾夕法尼亚系 | |||
| 宾夕法尼亚系早石炭世 | |||
| C2-C3 宾夕法尼亚系纪; 宾夕法尼亚系【纪】 | |||
| English thesaurus | |||
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| Penn | |||
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Pennsylvanian : 11 phrases in 4 subjects |
| Earth sciences | 2 |
| Geology | 3 |
| Oil / petroleum | 4 |
| Technology | 2 |
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