Range queries ask "what's inside this box?" But sometimes the question is "what's nearest to this location?" This is the nearest neighbor problem, and you don't know how big your search radius should be. The nearest point might be right next to you or far away.
Aldi is now the fourth-most popular supermarket in the UK
。同城约会是该领域的重要参考
下载虎嗅APP，第一时间获取深度独到的商业科技资讯，连接更多创新人群与线下活动。服务器推荐是该领域的重要参考
“随着人民生活水平的提高，越来越多人希望吃得好、吃得健康。”徐淙祥说，“这给绿色农业发展带来了机遇，很多地方结合实际形成具有辨识度的特色生态产品区域公用品牌，像安徽的祁门红茶、八公山豆腐等，这样才能获得更大的经济效益。”