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专业英语环境environment环境工程environmentalengineering环境保护environmentalprotection环境意识environmentalconsciousness/awareness环境问题environmentalissue/problem环境效应environmentaleffect环境污染environmentalpollution环境要素environmentalelements环境因子environmentalfactors环境化学environmentalchemistry环境生态学environmentalecology环境质量environmentalquality环境自净作用environmentalself-purification/self-cleansing微生物microbe生物圈biosphere生态学ecology生态系统ecosystem生态平衡ecologicalbalance生态破坏ecologicaldamage生物群落biologicalcommunity食物链foodchain营养级trophiclevel物质循环materialcycle能量传递energytransfer水环境watershed水体waterbody流域watershed水质waterquality水资源waterresources供水watersupply废水wastewater水处理watertreatment物理性水质指标physicalindicateofwaterquality水污染物waterpollutant生物性水质指标biologicalwater-qualityindex水质标准waterqualitystandard化学性水质指标chemicalwater-qualityindexDS dissolvedsolidsBODbiochemicaloxygendemandTDS totaldissolved...。