对国内外微咸水利用研究现状和发展趋势进行了综述，指出微咸水灌溉利用的研究方向。

The study situation and the trend of slight salt water irrigation technique were summed up at home and abroad, and it pointed out the research direction of slight saline water irrigation utilization.

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在论述城市雨水利用相关理论与技术等研究现状的基础上，对城市雨水利用急待研究的若干问题与发展趋势进行探讨。

By summarizing the exiting theories and technologies of rainwater utilization, some important recent problems in this field were put forward.

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在论述城市雨水利用相关理论与技术等研究现状的基础上，对城市雨水利用急待研究的若干问题与发展趋势进行探讨。

By summarizing the exiting theories and technologies of rainwater utilization, some important recent problems in this field were put forward.

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