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forests and environmental pollution
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forests and environmental pollution
Encyclopedia
农学
森林与环境污染
释
forests and environmental pollution
森林与环境污染
人类直接或间接地向森林环境排放超过其自净能力的物质或能量,从而使环境的质量降低,对人类的生存与发展、生态系统和财产造成不利影响的现象。
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subgrade
subgrade bed
subgrade design
subgrade maintenance
subgrade monitoring system
subgrade ontology
subgrade widening
subgradient
subgradient algorithm
subgrain
subgrain boundary
subgrain rotation recrystallization
subgraph
subgrib-scale orographic drag parameterization
subgroup
subgroup chain
subgroup element
subgroup growth
subgroup index
subgrouping
subgroup of a point
subgroup of automorphisms
subgroup of boundaries
subgroup of cycles
subgroup of finite indices
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