1.1 环境初探：Ling Studio
Жители Санкт-Петербурга устроили «крысогон»17:52
，详情可参考搜狗输入法2026
Real image compression (JPEG, PNG) uses different techniques (DCT, entropy coding), but quadtrees capture the same principle: spend your bits where the detail is, not uniformly across the whole image.
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