Therefore immediate and effective measures must be taken to protect and exploit water resources.

因此直接的务必采取有效的措施来保护和利用水资源。

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So, in order to reasonably exploit, utilize and protect the ground water resources, it is important to study the ground water in North China within a large-scale domain.

因此，从大区域角度研究华北平原地下水，对合理开发、利用、保护地下水资源，具有十分重要的意义。

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In order to protect, save water resources, decrease pollution, it's imperative to regard sewage water as a resource to exploit.

为了保护节约水资源，减少水体污染，将污水作为一种资源进行合理的开发及利用已成为当务之急。

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