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tracking of cross-welding焊缝跟踪tracking gate field of view跟踪门视场,波门视场track circuit transformator轨道电路变压器tracked air cushion vehicle轨行气垫车tracking and pointing error跟瞄误差tracking processing program[计] 跟踪处理程序track-and-field circles田坛track sector identification[计] 磁道扇区识别tracks of human scttlements人居轨迹tracking encoded theodolite跟踪编码经纬仪