想象一下，你用饼干模具在面团上按了一下，这就是 ExtrudeGeometry 做的事。
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.
。业内人士推荐夫子作为进阶阅读
СюжетРакетные удары по Украине:
It had previously been thought that vaccinating children against chickenpox would cause a problematic rise in the linked condition shingles, but a recent long-term study from the US disproved that theory.，这一点在搜狗输入法下载中也有详细论述
Green: Surfing terms
Huggingface Toggle，更多细节参见谷歌浏览器【最新下载地址】