... 土壤制图 soil cartography 土壤制图单元 soil mapping unit 土壤制图学 cartography of soil ...
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... 土壤图 Soil map 土壤制图单位 Soil mapping unit 土壤物质 Soil material ...
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mapping unit of soil 土壤图表示单位
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The soil were divided into five groups of soil, e, g, light clay, heavy loam, medium loam, light loam and sandy soil, using the group of soil texture of plowed layer as the mapping unit.
以耕层土壤质地类别作为制图单位，分为轻粘土、重壤土、中壤土、轻壤土和砂质土五种类型。
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