这种困难将是确定无疑的，因为能源的匮乏将使高能量消耗的美国农业模式难以继续下去，而这种模式使投入少数农民就能获得高产成为可能。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the high-energy American fashion that makes it possible to combine few farmers with high yields.
这种困境将是确定无疑的，因为能源的匮乏使农业无法以高能消费这种美国耕作方式继续下去了，而这种耕作方式可以投入少数农民就获得高产。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the highenergy American fashion that makes it possible to combine few farmers with high yields.
韩国等温带国家从营养生长到生殖生长阶段温度的改变似乎有利于水稻获得高产。
The change of temperature from vegetative stage to ripening stage in temperate country like Korea seemed very favorable in obtaining a high yield.
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