The design flight mission profiles and mission mixing of an aeroengine are obtained from its future usage, and then the rotation speed profiles are derived based on its altitude\|airspeed preformance.

• 由某型发动机的未来使用任务推导了其设计飞行任务剖面和飞行任务混频，然后根据该发动机的高度-速度特性得出了其转速剖面。