Modal analysis is a significant method in structure dynamic design and equipment fault diagnosis.

模态分析是结构动态设计及设备故障诊断的重要方法。

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Some new method of electronic equipment fault diagnosis based knowledge is studied in this paper.

本文研究了基于知识的电子设备故障诊断的一些新方法。

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To troubleshoot and repair equipment fault, liaise with equipment supplier and manufacturer as needed.

解决和修理设备故障，如需要联络设备供应商和制造者。

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Scandals over rifles that jam and radios that fail were the fault of the Conservatives who bought the equipment, but Labour was putting them right, he said.

BBC: Hoon attacks Tory defence record

An initial inquiry blamed the fire on an electrical fault, which in turn caused severe arcing in under floor equipment.

BBC: Metro train fire