The designed system is available for the automatic water supply requirement of high buildings and the control of underground water.

本系统适用于高层楼宇自动供水，地下水位控制等情况。

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It has been proved that the film mulching cultivation had better control of underground water pollution caused by fertilizer application in rice field.

水稻覆膜旱作栽培方式能对施肥造成的稻田地下水水质非点源污染起到良好的控制效果。

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So we should try to improve the usage rate of water by saving water, control the overdevelop of underground water, make full use of ground water, fa-ther and reuse waste and polluted water.

因此，我们必须从节约用水、控制地下水超采和充分利用地表水及治理和回用废污水等多种途径提高水的利用率。

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It is necessary to have a steady rising of potential for improvement of integrated control of underground water on national and international levels.

UNESCO: OFFICE IN TASHKENT