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- To modernize the National Airspace System, the FAA developed complex computer systems that would replace the plastic markers for tracking aircraft. 为了实现国家空域系统的现代化，联邦航空局研制了一系列复杂的计算机系统，淘汰过去用来标注航空器方位的塑料标点。
- The Humvee-mounted G/ATOR uses active electronically scanned array (AESA) radar to detect and track aircraft, cruise-missiles, and ground weapons, as well as to provide traffic control. 安装在悍马军车上的G/ATOR，采用有源电子扫描阵列（AESA）雷达，可以探测和跟踪飞机、巡航导弹和地面武器，也支持交通控制功能。
- 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。
- The aircraft was flying above thick fog. 飞机在浓雾上空飞行。
- The speed of this aircraft is very high. 这架飞机的速度非常快。
- He assembled the model aircraft bit by bit. 他一块一块地装配飞机模型。
- Enemy aircraft dropped bombs on the city. 敌机向这个城市投掷炸弹。
- 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。
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- 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。
- There's not much leg-room in these aircraft. 这些飞机的坐位没有什麽伸腿的空间。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- Artillery and aircraft were involved in the action. 在这次战斗中，使用了大炮和飞机。
- He sat at the controls of the aircraft. 他坐在飞机的操纵装置前。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The aircraft company deals with freight only. 这家航空公司只经营货运业务。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- All aircraft must fuel before flight. 所有飞机飞行前都必须加油。
- Tracking wild animals requires great stealth. 跟踪野生动物必须悄然无声。
- The new aircraft is undergoing safety tests. 这种新飞机正在接受安全性能检验。
