trackersn.追踪者（tracker的复数形式）trackn.轨道；跑道；踪迹；小路；乐曲v.追踪；跟踪track-and-field training田径训练Track and Field Sport Events田径运动项目track-while-scan program跟踪扫描程序track-bound transportation有轨运输track auto-searching robot智能寻迹机器人track adjacent to water edge码头沿岸轨道Tracking Error Model Studies跟踪误差模型研究track-mounted drilling rig履带钻机track supporting wheel shaft托带轮轴Track RADAR Simulation Group跟踪雷达模拟大队