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.
（六）放射性同位素，是指化学元素中具有相同原子序数，但质量不同且能发生放射性衰变的核素。
，这一点在safew官方版本下载中也有详细论述
renderComponent(controller); // Promises created, objects allocated，推荐阅读91视频获取更多信息
const square = new Square({ sideLength: 3 });，更多细节参见同城约会
understood by beginners and advanced users alike.