Hengshan Cuiwei South Hill branch, the main peak of 2426 meters above sea level mountain bread, as the central part of Datong Basin, flat, Sanggan River, Yellow River runs through the meantime, the channel over, irrigation convenient, low-lying areas but some of the more serious soil salinization.
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In order to make irrigation convenient, we have built an open ditch.
为了方便农田灌溉，我们修了条明渠。
A surveying water pen of simple structure and convenient usage is made in our country that is applied in rice control and water saving irrigation for several years.
我国生产一种结构简单使用方便的测水笔，已在近几年水稻控制节水灌溉中应用。
It is shown that this method renders convenient calculation, rational results, high prediction precision, and its outcome can provide reference for groundwater exploitation in irrigation area.
结果显示，该方法计算方便，结果合理，且预测精度较高，可为灌区地下水开采提供参考。
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