This thesis gives the use-case model and design model of the flight plan process subsystem.
本文分别讨论了飞行计划处理子系统的用例模型和设计模型。
DIVERSION, the process of flying to an airport not in the flight plan.
改航，飞往不在飞行计划中的机场的过程。
DIVERSION, the process of flying to an airport not in the flight plan.
改航，飞往不在飞行计划中的机场的过程。
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