其他特征：Axis完全支持WSDL以及日志记录、出错以及故障处理机制。
Additional Features: Axis provides full support for WSDL as well as Logging, Error, and Fault Handling mechanisms.
往复泵泵阀振动信号的常规频谱分析，由于故障特征信息往往被淹没于强大的噪声以及相邻部件的干扰而使诊断精度大打折扣。
The accuracy of traditional spectrum analysis for the diagnosis of reciprocating pump valve is not satisfied for the interference of the noise and the vibration of the adjacent parts.
分析了电动机执行机构的故障特征以及在其维护保养中应注意的问题，并介绍了一种新型智能电动执行机构。
The paper analyzes the characteristic of the fault of electric actuator and how to maintain it. In addition, a new intelligent electric actuator is introduces.
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