translation.en: Through a technique known as a cell tower dump, law enforcement agents can uncover who was using one or more cell towers at a particular time, a technique which has been known to reveal the location of tens of thousands and even hundreds of thousands of people.
translation.zh: 通过基站定位技术， 执法机构能够知道谁 在某一时刻正在使用哪些个基站， 这项技术能用来确定 几万甚至几十万人的位置。