(1) In terms of the spatial and temporal development characteristics, the overall level of SAD in China presents a gradual upward trend, although the SAD index slightly declined in 2022; an imbalance is observed in the development of the eastern and western regions, with an overall trend of enhancement from west to east.
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Can digital village construction promote sustainable agricultural development in China?
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SAD in China exhibited an increasing trend, with significant increases in high-intermediate and high-level provinces ( Fig 3 ).