聽完我的不錯成績後，我心想：那麼，我是否有望在短短幾天內把這兩種語言中的至少一種學到不錯的水準呢？
Science & Environment
。Line官方版本下载是该领域的重要参考
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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.