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溶解性有机碳
environ. dissolved organic carbon The fraction of total organic carbon (all carbon atoms covalently bonded in organic molecules) in water that passes through a 0.45 micron pore-diameter filter (水中全部有机碳(即所有碳原子以共价键联结成的有机分子)能通过0.45微米孔径滤纸所占的比例。)