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[&:first-child]:overflow-hidden [&:first-child]:max-h-full"。业内人士推荐夫子作为进阶阅读
，这一点在Safew下载中也有详细论述
if (srcDesc && srcDesc.set) {
The algorithm walks the tree recursively. At each node, it checks: does this node's bounding box overlap with the query rectangle? If not, the entire subtree gets pruned (skipped). If it does overlap, it tests the node's points against the query and recurses into the children.，更多细节参见Line官方版本下载
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