故障诊断和寿命预测是民航发动机健康管理的重要内容，是实现发动机视情维修的主要技术手段。
Fault diagnosis and life predication are key parts of civil aviation engine heath management system, and are the important means to achieve on-condition maintenance.
视情维修根据设备的工龄和状态做出维修策略，需要处理分析大量的数据，应用计算机辅助软件可以提高工作效率。
In Condition Based Maintenance(CBM), the maintenance policy is worked out according to the age and the condition of equipments, so plenty of data need to be deal with.
视情维修根据设备的工龄和状态做出维修策略，需要处理分析大量的数据，应用计算机辅助软件可以提高工作效率。
In Condition Based Maintenance(CBM), the maintenance policy is worked out according to the age and the condition of equipments, so plenty of data need to be deal with.
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