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.
Материалы по теме:
。WPS下载最新地址对此有专业解读
（三）按照组成计税价格确定。组成计税价格的公式为：，这一点在Line官方版本下载中也有详细论述
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