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soil clay
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soil clay
Encyclopedia
农学
土壤黏粒
释
soil clay
土壤黏粒
土粒分级标准中粒径小于2微米的土壤颗粒。土壤颗粒中最细小的部分。国际制和美国农业部制土粒分级标准和中国土粒分级标准均为此标准。对土壤的理化性质有重要影响。
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projective scale
projective scaling method
projective scheme
projective second-order curve
projective set
projective space
projective space over a scheme
projective special linear group
projective special orthogonal group
projective special unitary group
projective spectrum
projective spectrum of a ring
projective stationary set
projective straight line
projective structure
projective subcone
projective subspace
projective surface
projective symplectic group
projective system
projective system of topological groups
projective technique
projective tensor
projective test
projective theorem
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