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soil chemistry
释义
soil chemistry
Encyclopedia
农学
土壤化学
释
soil chemistry
土壤化学
研究土壤化学组成、化学性质及其化学规律的土壤学科分支。是研究土壤肥力、土壤发生分类和土壤环境质量及其保护的理论基础之一。其研究对象复杂。
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regular operator
regular orbit
regular ordinal
regular ordinal number
regular outer measure
regular packing
regular pair
regular parameterized surface
regular parametric representation
regular parametrization
regular parametrized curve
regular part
regular partial differential equation
regular patch
regular path expression
regular pencil of matrices
regular pentagon
regular permutation
regular permutation group
regular perturbation
regular perturbation system
regular p-gon
regular p group
regular p-group
regular point
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