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做了公交查询才发现，想定位准确，怎么这么难？
source link: https://www.v2ex.com/t/517697
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程序员 - @quietjosen - 最近做了公交查询的小程序，不同城市的朋友有反馈定位有偏移。研究了一下才发现，想定位准确，真不是件容易的事。![]( https://ws2.sinaimg.cn/large/006tNbRwg
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