农作物播种面积动态变化因其重要性已经引起了国内外学者的广泛关注。
Potential dynamics of agricultural crop sown area has attracted a wide range of attention from numerous researchers due to its ecological and socioeconomic implications.
大约500万公顷的越冬农作物被估计受到严重危害，而春季农作物的播种面积被大幅减少。
Some five million hectares of winter crops are estimated to have been lost or damaged, and the areas planted in spring crops have been reduced substantially.
大约500万公顷的越冬农作物被估计受到严重危害，而春季农作物的播种面积被大幅减少。
Some five million hectares of winter crops are estimated to have been lost or damaged, and the areas planted in spring crops have been reduced substantially.
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