Fault information processing technology is the premise of the fault diagnosis, it in to improve the diagnostic accuracy and reliability in a very important position.

故障信息处理技术是故障诊断的前提，它在提高诊断的准确性和可靠性方面处于非常重要的地位。

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Pump is a widely used machine and the research on fault diagnosis, it has very important realistic significance.

水泵是应用较为广泛的一种机械设备，对其开展故障诊断研究有着非常重要的现实意义。

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With the application of the model in a real fault diagnosis system, the advantages of direct-view, strong expression ability and easy theorization are shown.

以一个实际故障诊断系统应用为例，说明了该模型具有直观、表达能力强和易于推理的优点。

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The diagnosis was a fault in the car's security system that was designed to shut down the car if someone tried to start it without the proper key.

WSJ: Diagnostic Tools to Unleash Your Inner Mechanic