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cadmium contamination of croplands
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cadmium contamination of croplands
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农学
农用地土壤镉污染
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cadmium contamination of croplands
农用地土壤镉污染
因含镉废水、废气排放和含镉污泥、有机肥和化肥施用的影响,农用地土壤中镉积累,致使土壤质量及生态系统功能退化,农作物生长受阻且农产品镉含量超标从而影响人体健康的现象。
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fixed-point calculation
fixed-point computer
fixed point detection
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fixed-point index
fixed-point induction
fixed point iteration method
fixed-point iteration method
fixed point map
fixed point method
fixed-point method
fixed-point method of Leray and Schauder
fixed-point node
fixed-point notation
fixed-point number
fixed-point of a mapping
fixed point of discontinuity
fixed-point operation
fixed-point principle
fixed-point property
fixed-point set
fixed-point system
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