With a thousand points, you barely notice the delay. With a million, you're doing a million distance calculations for every single query. On a phone updating the map as the user scrolls, that's untenable.
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CatalyzeX Code Finder for Papers (What is CatalyzeX?)
（三）以侮辱、诽谤或者其他方式侵害英雄烈士的姓名、肖像、名誉、荣誉，损害社会公共利益的；
第四十一条 有下列行为之一的，处五日以上十日以下拘留，可以并处一千元以下罚款；情节较轻的，处五日以下拘留或者一千元以下罚款：