In addition to the traditional source of water resources, development and utilization of unconventional water resources is undoubtedly a major way to solve the water crisis.

随着对非常规水资源利用的不断研究，除了对传统的水资源进行开源、节流外，开发利用非常规水资源成为解决水资源危机的重要途径。

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Recent development on source, chemical structure and characteristics of microcystins in nature water was reviewed, with emphasis on detection method of microcystins.

文章综述了目前微囊藻毒素的来源、化学结构和性质的研究成果，重点评述国内外微囊藻毒素检测方法进展。

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The development tendency of the household air-source heat pump water heater was analyzed and forecasted by the method of analytic hierarchy process.

叙述了利用层次分析法，对家用型空气源热泵热水器发展趋势的分析与预测。

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