您要查找的是不是：
- Each bird will carry a GPS satellite tracking receiver, air pollution sensors and a basic mobile phone. 每只鸽子将携带全球定位系统卫星追踪接收器,空气污染感受器和一个简单的移动电话。
- The modules of aircraft's track receiving and replay system software and how it works are introduced.This software has been applied to one type of pilotless aircraft. 介绍了飞行器航迹接收与回放系统软件的功能模块和开发流程，该软件已应用于某型无人驾驶飞机的航迹分析系统中。
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- single channel tracking receiver 单路跟踪接收机
- differential mode tracking receiver 差模跟踪接收机
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- Make sure you exit your client properly, so that the tracker receives "event=completed". 确认客户端正常退出;所以服务器可以接收到"任务完成"的信息.
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- Make sure you exit your client properly, so that the tracker receives event=completed. 确认客户端正常退出;所以服务器可以接收到任务完成的信息.
- Please put the receiver back after calling. 打完电话后，请把听筒放回原位。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- Pick up the receiver and deposit a coin in the slot. 拿起听筒之后，放一个硬币在这个小口子里。
- A locomotive pounded down the railway track. 一辆机车沿着铁道隆隆地驶去。
- I like to watch field and track events. 我喜欢观看田径比赛。
