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第十二条 居民委员会具有基层群众性自治组织法人资格，居民委员会主任为法定代表人。居民委员会可以从事为履行职能所需要的民事活动，但是不得提供担保。

User-friendly interface，更多细节参见Line官方版本下载

const origSet = srcObjDesc.set;。夫子对此有专业解读

Samsung Galaxy S26 (Unlocked, 512GB)

For well-distributed points, nearest neighbor search is often near O(log⁡n)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.