 |
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| stratigraphical timescale; stratigraphical time-table | |||
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| geological time scale | |||
| geochronometric scale | |||
| 地 质年表: 36 phrases in 9 subjects |
| Agriculture | 3 |
| Bridge construction | 1 |
| Desert science | 1 |
| Drilling | 3 |
| Engineering geology | 1 |
| Geology | 3 |
| Oil / petroleum | 5 |
| Space | 1 |
| Technology | 18 |
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