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| 原始材料; 亲本材料; 母质 | |||
| 母材 | |||
| 成土母质; 母岩 | |||
| 成土母质 | |||
| 历史物质 | |||
| 原材料 | |||
| 母体材料; 基本材料; 主要材料 | |||
| 母料; 母体物质; 母岩物质 | |||
| 起始材料 | |||
| 母质 ｛土壤｝ | |||
| 母［基］材 | |||
| 源物质; 基体材料; 母材料 | |||
| parent material: 10 phrases in 7 subjects |
| Agriculture | 1 |
| Desert science | 3 |
| Earth sciences | 1 |
| Ecology | 1 |
| Engineering geology | 1 |
| Plastics | 1 |
| Technology | 2 |
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