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单词
soil exhaustion
释义
soil exhaustion
Encyclopedia
农学
土壤耗竭
释
soil exhaustion
土壤耗竭
由于超负荷耕种或自然环境恶化,养分大量消耗,土壤肥力减退,农作物和其他植物难以生长的贫瘠化现象。
随便看
extension of an ideal
extension of an operator
extension of a ring
extension of a ring by a module
extension of a semigroup
extension of a space
extension of a structure
extension of a topological space
extension of a valuation
extension of C* algebra
extension of C*-algebra
extension of C*-algebra (exact sequence)
extension of concept
extension of groups
extension of scalars
Extension of the Materia Medica
extension principle
extension problem
extension project of Louvre Museum
extension reflex
extension ring
extension space
extension subnet
extension theorem
Extension type supracondylar fracture of humerus
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