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 in Liaoning辽宁田径
tracking by a single camera单目跟踪
Track of subsatellite point星下点轨迹
tracking and display system跟踪与显示系统
trackage classified by speed按速度分级的(铁路)线路
tracked self-propelled gun履带式自行火炮
track alignment irregularity轨向不平顺