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| 地质特征 | |||
| 地质要素 | |||
| 地形特征; 地貌; 地质景观 | |||
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| 地质特征 | |||
| 地形特征; 地貌; 地质要素; 地质景观 | |||
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geological feature : 6 phrases in 1 subject |
| Technology | 6 |
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