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.
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。业内人士推荐im钱包官方下载作为进阶阅读
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第三十四条 国务院核工业主管部门会同有关部门制定核技术应用产业发展指导意见。