以下为句子列表：
英文: It is necessary to take ecological restoration to improve water quality in ecosystem destructed headwaters area of reservoir.
中文: 摘要为改善和保证库区水体水质，有必要对生态系统受到破坏的水库水源地进行生态修复。
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英文: The boiled water machine is direct to connect water pipe,make headwaters with the air partitions the decrease pollution,keeping the fluid matter is fresh.
中文: 开水机直接连接自来水管、使水源与空气隔开减少污染，保持水质新鲜。
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英文: Then the change of annual runoff distribution in the headwaters of the Yangtze River is discussed.
中文: 结果表明：长江源径流年内分配特征在1960年前后与1988年前后径流年内分配较为相近，1970-1976年与1993年以后径流年内分配较为相近。
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英文: This method useds for the measurement the life drinking water and its headwaters water inside Trichloroethylene, Tetrachloroethylene, a Br two the methane of Cl, two Br a the methane of Cl imitates with the Br.
中文: 摘要本方法用于测定生活饮用水及其水源水中三氯乙烯、四氯乙烯、一溴二氯甲烷、二溴一氯甲烷和溴仿。
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