And, as older farmers leave the Labour force and young ones go to cities, the decline in agricultural knowledge could reduce grain yields.

同时由于老年人失去劳动力，青壮年去了城市，农业知识水平的下降可能会降低粮食产量。

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Feel the rain as rice grains, the grain of rice that had just steamed, with a strong adhesive force.

觉得雨像粒大米饭，那种刚蒸熟的米粒，具有强大的粘附力。

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The paper also discussed the mechanism of grain damage and the causes of grinding force variations.

阐述了三种磨粒损伤产生的机理和磨削力变化的成因。

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Many livestock farmers are losing money feeding high-priced grain to their herds, which could force them to shrink the size of their operations.

WSJ: Grain Prices Soar as U.S. Slashes Outlook