支持按库、按表、按分区进行精细化迁移控制，结合资源调度策略实现动态扩缩容。通过对比分析与差量校验，最小化迁移窗口期，减少业务影响，助力客户以最低成本完成平滑上云。
A low threshold preserves detail (more leaf nodes, less compression). A high threshold merges aggressively (fewer leaves, more compression, but the image gets blocky). The grid overlay shows the quadtree structure: large cells in uniform areas, small cells where detail is preserved.
，这一点在夫子中也有详细论述
Cobalt Violet, White, Black, and Sky Blue / Pink Gold and Silver Shadow (Samsung exclusive)
// ⚠️ 易错点6：循环条件写成nums[left-1] = minVal（相等元素无需纳入无序区间）
The radio silence that accompanies re-entry went on far longer than normal. Millions watched on TV, many convinced that all was lost.