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水土保持造林
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水土保持造林
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工学
水土保持林草措施
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afforestation for soil and water conservation
水土保持造林
以调节地表径流,控制水土流失,保障和改善山区、丘陵区农林牧副渔等生产用地及沟壑和河川水土条件为目标的水土保持防护林构建技术。
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rank of an algebra
rank of an algebraic group
rank of an analytic mapping
rank of an eigenvalue
rank of an element
rank of an elliptic curve
rank of an ideal
rank of an operator
rank of a partition
rank of a prime ideal
rank of a projective module
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rank of a set
rank of a set of vectors
rank of a singular point
rank of a space
rank of a subset
rank of a system of equations
rank of a system of vectors
rank of a tensor
rank of a transformation
rank of a valuation
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