The spatial view (the grid of rectangles) and the tree view (the hierarchy of nodes) represent the same structure. Searching for a point means walking down the tree: at each node, you check which of the four children contains your target coordinate and recurse into that child. You never visit the other three.
据悉，本届大会将于 3 月 2 日至 5 日在巴塞罗那举行，vivo 全新旗舰机型 X300 Ultra 也将在展会期间迎来全球首次亮相。
，详情可参考同城约会
def _extract_text(node) - str:
30 January 2026ShareSave