Researching and solving the problem of deterioration is the effective way of ensuring the military aircraft and civilian aircraft lfy more safely. Based on the causes of aero-engine deterioration, this thesis took the F404-GE-400 and other engines for example, analyzed the adverse implications of engine deterioration ,researched the method of the control and recovery of aero-engine deterioration.%研究和解决发动机性能衰减问题是保证军用飞机和民用飞机安全飞行的有效手段之一。本文在分析航空发动机性能衰减原因的基础上，以F404-GE-400等发动机为例，分析了发动机性能衰减的不利影响，研究了航空发动机性能衰减的控制和恢复方法。
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