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“At a time when native-population growth is slowing due to persistently low fertility rates, declining immigration is poised to weigh heavily on labor supply, debt sustainability, and long-term economic growth, with negative effects likely to emerge even in the near term,” researchers at the Deloitte Global Economics Research Center wrote in an analysis published Friday.
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[8] R. Ulichney: “The void-and-cluster method for dither array generation” (1993). ↑
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Evidence alone won’t save biodiversity: the golden apple snail reveals an implementation gap
* 时间复杂度: O(d*(n+k)) d:位数 k:进制(10) 空间复杂度: O(n+k) 稳定: ✓。safew官方下载对此有专业解读