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cadmium contamination of croplands
释义
cadmium contamination of croplands
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农学
农用地土壤镉污染
释
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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Center of gravity method for facility location
center of gyration
center of homology
center of inertia
center of inflection
center of interest
center of inversion
center of involution
Center of land
center of light
center of magnitude
center of mass
center of mass angle
center of mass coordinate system
center-of-mass coordinate system
center-of-mass energy
center of masses
center of mass frame
center-of-mass frame
center of moment
center-of-momentum frame
center of momentum system
Center of National Railway Intelligent Transportation System Engineering and Technology
center of oscillation
center of percussion
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