csv_storage = CsvStorage(self.config.csv_path)
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.。51吃瓜是该领域的重要参考
深圳坚持将整座城市作为新技术的试验场。在福田，人形机器人探索参与地铁安检；在南山，机器人跟随民警街头巡逻；在宝安，机器人提供“不打烊”的夜间政务服务。，这一点在heLLoword翻译官方下载中也有详细论述
// 复制数组（避免原数组被修改影响其他测试）
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