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| материнская порода; коренная порода; почвообразующая порода | |||
| 源物质: 19 phrases in 7 subjects |
| Bioenergy | 1 |
| Business | 2 |
| Computers | 1 |
| General | 8 |
| Geology | 1 |
| Technology | 4 |
| United Nations | 2 |
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