实践表明，文中提出的有关数据处理方法和程式可有效地诊断发动机支承系统存在的问题，从而为其改进设计提供科学依据。
The practice shows that the problems of engine-mounting system can be diagnosed effectively by the help of this way and procedure.
通过对发动机支承实际道路载荷的采集、整理迭代计算得到了用于台架试验的加载谱，其结果可对发动机支承进行可靠性试验和动态性能试验。
Through the collection, trim, iteration and calculation of the real road loading on the engine supporting, this paper describes the study on the spacial road spectrum used on rig test.
滚动轴承作为航空发动机转子系统广泛采用的一种支承，其力学特性对转子系统的动力特性有重要的影响，尤其是高速下更为显著。
The ball bearing is widely used in aero-engines. Its mechanical properties exert important influence on the dynamic characteristics of rotor systems, especially at high speed.
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