平均产量是指总产量或总产出除以一种投入品的数量所得的值，即每单位投入生产的产出。
在美国爱荷华州，靠雨水供养的玉米平均产量为每公顷10吨。
In Iowa in the US, the average rain-fed maize yield is 10 tonnes per hectare.
例如，泰国农场的平均产量不到中国或者美国产量的50%。
In Thailand, for example, average yields are less than half that of either Chinese or U.S. farms.
梯田建设不仅增加了粮食平均产量，也大大提高了产量的稳定性。
Terracing not only increased average yields, but also significantly lowered their variability.
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