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中国土壤发生分类
释义
中国土壤发生分类
Encyclopedia
农学
中国土壤发生分类
释
Chinese soil genetic classification
中国土壤发生分类
以苏联土壤地理发生学分类为基础,结合中国特有的自然条件和土壤特点,以生物气候条件为依据划分土类,而以“土壤发育程度”为依据划分土种的多级土壤分类体系。代表了20世纪80年代全国第二次土壤普查的科学水平,沿用至今。
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group of galaxies
group of holonomy
group of homeomorphisms
group of homotopy
group of ideals
group of infinite order
group of inner automorphisms
group of inner permutations
group of integers
group of invertible elements
group of isometries
group of isotropy
group of Janko-Ree type
group of left quotients
group of Lie type
Group of Lima
group of linear operators
group of linear parts
group of linear transformations
group of matrices
group of monomial substitutions
group of motions
group of norms
group of operators
group of outer automorphism
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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