水资源匮缺和水环境恶化已成为制约城市化进程和社会进步的因素。
Water shortage and deterioration of water environment become the constraint factors to the urbanization and social development.
膜生物处理技术是一种控制水环境恶化和缓解水资源短缺的新型水处理工艺。
Membrane biology technology is a new type of wastewater treatment technique for controlling water environment worsening and alleviating the shortage of water resource.
由于早期缺乏有效的管理和治理手段，宁波市城区内河受到严重污染，水环境恶化。
Lacking of effective administrative and harnessing measure in the early time, urban inland waters of Ningbo were polluted seriously.
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