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生物地层
| 层理
| 生物地层 | |
| oil | biostratum |
| 层理 | |
| bridg.constr. | schistosity; foliation |
| eng.geol. | bedding parting; bedding stratification; layering |
| geol. | bedding |
| hydroel.st. | stratification; bedding; lamination |
| |||
| biostratum | |||
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生物地层 : 29 phrases in 7 subjects |
| Agriculture | 1 |
| Earth sciences | 1 |
| Engineering geology | 1 |
| General | 1 |
| Geology | 1 |
| Oil / petroleum | 15 |
| Technology | 9 |
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