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| 上白垩纪 (Cr₂) | |||
| 上白垩纪; 上白垩纪〔系〕; 上白垩系; 上的垩系 | |||
| 晚白垩世【地】 | |||
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| 上白垩统 | |||
| Upper Cretaceous: 3 phrases in 2 subjects |
| Oil / petroleum | 1 |
| Technology | 2 |
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