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| 层序组; 地层顺序; 地层次序; 地层层序; 地层层位; 地层层次 | |||
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| 层序; 地层序列 | |||
| 地层层序 | |||
| 层序组; 地层顺序; 地层次序; 地层层位; 地层层次 | |||
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stratigraphical sequence : 18 phrases in 4 subjects |
| Geology | 1 |
| Geophysics | 2 |
| Oil / petroleum | 4 |
| Technology | 11 |
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