The fault mode establishment, standard database, fault monitoring, diagnose method and algorithmic study in liquid rocket engine in our country were introduced.
介绍了我国在建立泵压式液体火箭发动机故障模式、标准数据库和改进人工神经网络算法与时序分析算法等方面所做的工作。
Therefore, the investigation and discussion on power shovel main malfunction cause, diagnose method, maintainance operation is of great significance to improving power shovel efficiency.
因此，探讨电铲常见故障原因、诊断方法、维护操作对提高电铲作业效率有着极为重要的意义。
Conclusion Echocardiography has high value on diagnosing cardiac myxomas, it is the method of choice to diagnose cardiac myxoma.
结论超声心动图对心脏黏液瘤具有很高的诊断价值，是诊断本病的首选方法。
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