Aiming at the questions of pump-jack fault diagnosis method backward and diagnosis information lack of, it is proposed a kind of wavelet transform based neural network fault diagnosis system.

针对油田抽油机井故障诊断方法较落后和故障信息采集不充分的问题，提出一种小波变换基神经网络故障诊断系统。

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With the upgrading of the network technology, libraries have stepped into the era of transform in both conceptions and models of information service.

伴随着网络信息技术的升级，图书馆信息服务理念和模式也进入一个转型期。

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This paper has researched information transform algorithm, and presented the Bayesian network structure of accident reason inference according to reversion inference.

研究了消息传播算法，根据贝叶斯网络的逆向推理给出了事故原因推理的贝叶斯网络结构；

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This paper has researched information transform algorithm, and presented the Bayesian network structure of accident reason inference according to reversion inference.

研究了消息传播算法，根据贝叶斯网络的逆向推理给出了事故原因推理的贝叶斯网络结构；

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