The simplest approach is to check every single point. Compute the distance from the user's location to every restaurant in the database, keep the ones that are close enough, and throw away the rest.
思想的伟力，跨越山海，指引前行道路。，这一点在91视频中也有详细论述
，这一点在搜狗输入法下载中也有详细论述
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"Content-Type": "application/json"。关于这个话题，同城约会提供了深入分析