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rural domestic sewage pollution
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rural domestic sewage pollution
Encyclopedia
农学
农村生活污水污染
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rural domestic sewage pollution
农村生活污水污染
农村居民在生活过程中排放的废水进入土壤、水体后,超过土壤、水体的自净能力,导致水体、土壤、大气等物理、化学和生物等方面特征改变,造成水质恶化、土壤退化和空气污染的现象。
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fisheries statistics
fisheries stock assessment
fisheries stock assessment by fish larvae and juveniles
fisheries subsidy policies
fisheries survey patterns
fisheries technical and economic effect evaluation index system
fisheriestechnical economy
fisheries technology extension stations at provincial levels
Fisher index
Fisher inequality
Fisher information
Fisher information function
Fisher information matrix
Fisher kurtosis
Fisherman
fisherman and fisherwoman
Fisherman by Wu Zhen
Fisherman Recluse of Lotus Stream by Qiu Ying
Fisherman's Manor
fisherman's production customs
Fisherman's Wharf planning
Fisher matrix
Fishermen Fought the Invaders
fishermen professional cooperatives
fishermen's haozi
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