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灰化作用
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灰化作用
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灰化作用
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podzolization
灰化作用
土壤铁、铝、锰等金属离子与有机酸螯合淋溶淀积,在土体上部形成二氧化硅相对富集的灰白色淋溶层,而在土体下部形成三、二氧化物相对富集的淀积层的过程。
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classification on farmland
classification on urban land
classification problem
classification problem of domains
classification retrieval
classification schedule
classification size of grinding products
Classification Society
classification statistic
classification system
Classification System of Chinese Wetland Vegetation
classification system of crude drug
classification system of mental disorders
classification theorem
classification theorem of finite groups
classification theorem of surfaces
classification theory
Classified accordinɡ to Nature to Druɡ
classified advertisement
Classified Case Records of Famous Physicians
Classified Ci-Poems from a Thatched Cottage
Classified Collection of Ancient Coins
Classified Collection of Song Poetry
Classified Comments on Calligraphies and Paintings: From the Eastern Han Epoch to the Early Modern Time
Classified Compilation of Ancient Characters
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