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土壤形态
释义
土壤形态
Encyclopedia
农学
土壤形态
释
soil morphological characteristics
土壤形态
包括颜色、质地、结构、孔隙、紧实度、新生体、侵入体、构造和厚度等的土壤外部特征。土壤形态是土壤发生发展历史的集中反映,也是认识土壤形成和演化历史的关键。因此,土壤形态特征是研究土壤发生和诊断土壤性质的基础,是划分土壤层次和确定土壤分类的重要依据,也是野外土壤描述的主要内容。
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building up principle
building-up principle
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building-up principle for electron of atom
building ventilation and air-conditioning engineering
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Building Walls
building waterproofing works
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building water supply drainage and heating engineering
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build-operate-transfer mode
build-own-operate-transfer mode
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build-to-line rate
build-to-line ratio
build-transfer mode
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