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.
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，这一点在WPS下载最新地址中也有详细论述
system, including cash withdrawals. In fact, since a customer withdrawing cash
await blocking.writer.write(chunk1); // ok