Uniform regions (solid backgrounds, smooth gradients) get stored as large blocks. Detailed regions (edges, textures) get subdivided into smaller blocks. You end up with a compressed representation that preserves detail where it exists and simplifies where it can.
不得不说，在堆配置这一块，零跑还是一如既往地狠。。关于这个话题，搜狗输入法下载提供了深入分析
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The team have been scratching their heads trying to work out who these women were.