trackingn.跟踪;按学生能力分组动词track的现在分词形式.
trackn.轨道;跑道;踪迹;小路;乐曲v.追踪;跟踪
tracking train intervals追踪运行间隔
track lifting J-Horner起道机, 起轨器, 起轨千斤顶
track-command guidance[电] 轨道命令指导
tracked mud on the rug.在门口地毯上把泥浆蹭去
Tracking Operation Report跟踪活动报告
track gauges of Brazilian巴西铁路货车
track radius of curvature沟曲率半径
Tracking Radar Take-off跟踪雷达起飞