加班飞行 meaning in English

nonscheduled flight

Finally , the east - china area airline schedule optimize and management system was developed based on the work on expanding and simplifying the theory model and the modified heuristic algorithm which made it more suitable for dealing with the unscheduled - flight timetable problem
最后，在所提模型和算法的基础上进行模型的扩展和简化，使之适合处理加班飞行的航班计划问题，并以扩展的理论模型为基础，开发了“华东地区航班时刻优化系统” 。