Spray irrigation is a water saving irrigation method because there is no water loss in transportation, it can save about half of water compared to surface irrigation.
喷灌是一种节水的灌溉方式，由于没有管道输水的损失，相比地面灌溉，喷灌可以节省将近一半的水分。
The method for synthetical evaluation of optimal choice on water saving irrigation mode is presented.
本文提出了用于节水灌溉方式优化选择的项目综合评价方法。
The post evaluation work in water saving irrigation project is much late in our country, particularly the systematic research of its theory and method is still in blank.
我国节水灌溉项目后评价工作起步较晚，尤其节水灌溉综合后评价理论和方法的系统研究尚属空白。
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