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土壤无机污染
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土壤无机污染
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农学
土壤无机污染
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soil inorganic pollution
土壤无机污染
人为因素将对人类本身和其他生命体有害的无机化学物质施加到土壤中,使土壤增加新的组分或某种成分的含量明显高于原有含量,并引起土壤环境质量恶化,产生相应危害的现象。
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train formation
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training center of uban rail transit
Training Class for Art Leaders in the Countryside
Training Course of Northeast Film Studio
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training expenditure for labour force
training flight
Training for Library Service
training in nursery
Training Institute of Music attached to Beijing University
training institutions for television artists
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Training Need Analysis
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