- 航迹: flight path; track; course; ...
- 线: thread; string; wire
- 迹线: path line; trace◇迹线偏转速度 writing speed
- 航迹: [航空] flight path; track; course; wake◇航迹灯 wakelight; 航迹角 flight-path angle; course angle; track angle; 航迹图 rutter; 航迹轴 flight path axis
- 包迹线: envelope
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