The water-measuring devices of irrigation engineering are the basis of levying water charge, and also an important method of rational regulation of water resources.

灌溉工程的量水设施是计量灌溉用水量，征收水费的依据，也是合理配水调度的重要手段。

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Based on current environmental policy and regulation, to study the support system of water resources management and management instruments of water pollutant emissions trading.

依据环境保护法律法规和管理要求，研究水环境资源管理的支撑系统，确定水污染物排放权交易的调控技术措施。

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Et, as an important component of water cycle, plays a significant role in the research of water cycle process, vegetation regulation to water process and sustainable use of limited water resources.

蒸散作为水循环的重要环节对于了解水循环过程、植被对水文过程调节作用、合理利用有限水资源都有重大意义。

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Finally, a new regulation on Water Resources Utilization will limit the annual consumption of water to 635 billion cubic meters by 2015, further increasing the need for water recycling facilities.

FORBES: Quenching China's Thirst For Water