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火山灰特性
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火山灰特性
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火山灰特性
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andic property
火山灰特性
土壤中火山碎屑或含有大量火山玻璃的其他成土母质占全土质量的60%以上,矿物以水铝英石、伊毛缟石和水铁矿等短序矿物占优势,伴有铝-腐殖质络合物的特性。土壤系统分类中用于鉴定火山灰土土纲的诊断特性。
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manned flight
manned lunar exploration
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manned Mars exploration
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Mannerism
mannerism
Mannerist Architecture
manner of articulation
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