It is a hot topic to comprehensive understand resources' attribute and to exploit reasonably geothermal economy.

全面认识其资源属性，合理开发地热经济，是当前值得深入研讨的热门话题。

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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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It is imperative to exploit new energy, utilize resources reasonably, and protect eco-environment under the grievous situation of energy crisis, resources shortage, and environment pollution.

人类面临能源危机、资源短缺、环境污染的严峻挑战，开发新的能源，合理利用资源并保护生态环境势在必行。

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