Police closely followthetrailof the whereabouts of shaking.
警察紧紧追踪绑架者的行踪。
2
This algorithm finds a sensor node that has detected the target, and then using local messages between neighboring nodes to followthetrailof the target.
该算法首先找到一个曾监测到目标的节点，然后利用相邻节点间的本地消息跟踪目标的运动轨迹。
3
Draw the true data from the real world, followthetrailof the whole course to a city's sewage project construction, we put forward the question and seek the solutions.