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.
添加图片注释，不超过 140 字（可选），推荐阅读新收录的资料获取更多信息
|--------|-------------------------------------|----------------------|--------|----------|。新收录的资料是该领域的重要参考
“If you want to go to medical school, we weed people out through physics and calculus,” he said, adding that “I don’t really want someone operating on my brain to be doing prime number factorizations in their head while they’re operating on my brain.”，详情可参考新收录的资料