We used Logarithmic Distance Path Loss Model to locate after LANDMARC and filter reference labels of TOP K second time. Finally we promoted the precision of location.

本文引入对数距离路径损耗模型作为LANDMARC的补充进行二次定位，通过对TOP K参考标签进行二次筛选，来实现定位精确度的提升。

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It is one thing to argue that American smokers make a conscious decision to purchase cigarettes despite warning labels and that, accordingly, the tobacco companies are not responsible for their loss of health.

ECONOMIST: Letters