If so, it is hard to say what has helped: anti-pollution measures, algae barriers in the water or the deployment of algae-scooping teams.
如果是这样的话，到底有所改善的原因是什么还很难说，到底是抗污措施做得好呢，还是水里设了水藻障碍物，还是打捞水藻队伍的努力起了作用呢？
However, yet another study published this year suggests it is going away as anti-sulphur pollution-control measures kick in.
今年发表的另一份报告表示，在这些地区将采取反硫磺污染控制措施，那么，“阴霾散去，重见阳光”的日子就为期不远了。
China a must also toughen anti-pollution measures on industry and reduce its dependence on coal, which produces more than three-quarters of the country's electricity, the environment ministry said.
中国环保部门称，还必须加强工业反污染措施，并且减轻对煤炭的依赖性。煤炭生产供应了中国超过四分之三的电力。
Therefore it is urgent to make a series of practical, effective and satisfactory measures of anti - pollution in different districts, and start a urban comprehensive better - off.
把城市河流污染纳入区域水污染控制系统，制定实用的、有效的、满意的或最优的水污染防治区域规划，开展城市综合整治成为当前形势的迫切需要。
Therefore it is urgent to make a series of practical, effective and satisfactory measures of anti - pollution in different districts, and start a urban comprehensive better - off.
把城市河流污染纳入区域水污染控制系统，制定实用的、有效的、满意的或最优的水污染防治区域规划，开展城市综合整治成为当前形势的迫切需要。
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