In the realization of water resources, recycling and efficient use of water resources development and utilization of.
水资源，回收利用和水资源开发和利用的有效利用，实现。
Human activities, including the utilization of water resources, the water and soil conservation, and land use, all contribute to the hydrologic drought of northwest China.
水资源的开发利用、水土保持以及土地利用等人类活动使得西北地区水文干旱进一步加剧。
The major problems in utilization and exploitation of water resource are as follows: low water use coefficient due to old and disrepair water-transporting facilities;
目前水资源利用和开发上存在的主要问题有：农业输水设施不足和失修较为严重，水分利用系数低；
Two kinds of water rights: Customary Water Right and Approved Water Right, status of water utilization in rivers and features of agricultural use of water are introduced.
简介日本的2种水权（许可水权和惯例水权），日本的用水状况，日本农业用水的特点。
Two kinds of water rights: Customary Water Right and Approved Water Right, status of water utilization in rivers and features of agricultural use of water are introduced.
简介日本的2种水权（许可水权和惯例水权），日本的用水状况，日本农业用水的特点。
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