In recent years, waste of water resources in Yining city becomes increasingly serious as soil erosion, water pollution, uncontrolled mining and other reasons.
近年来，伊宁市由于水土流失、水污染、无节制开采等原因，水资源浪费问题日趋严重。
The change law, pollution characteristics and causes of formation are discussed on the basis of synthetic evaluation of water quality situation over the years in Yining city section.
在对伊犁河伊宁市段历年水质状况进行综合评价的基础上，探讨了城市河段水质的变化规律、污染特征和成因。
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