【摘要】 针对目前缺乏统一的地表水环境质量定性评价准则的现状,根据我国主要水体的污染程度,提出了断面、河流、水系水质定性评价方法。更多还原

【Abstract】 For lacking of uniform qualitative assessment standard of water environment quality,according to the pollution status in Chinese mainly water body,the classification method of water environment quality has been brought.更多还原