表面上，建造它的目的是为当地提供更好的稻田灌溉及水利发电。
Ostensibly its purpose is to provide more irrigation for local rice paddies, and some hydroelectricity.
在1960年代，前苏联为了灌溉棉花与稻田，对锡尔河与阿姆河进行了改道。
In the 1960s the former Soviet Union diverted the Syr Darya and Amu Darya for the irrigation of cotton and paddy fields.
同样，稻农只要时不时充分灌溉稻田就可以大幅减少用水量。
Similarly, rice farmers can sharply cut water consumption by flooding paddy fields only some of the time.
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