文中论述了利用因果网技术进行故障定位的方法，因果网描述了故障元件、继电器、开关之间内在的动作关系；
This paper discusses the fault locating method based on causality network technology, and the inherent operating relationship between the faulty element, protective relays and circuit breakers.
这两种故障虽然接地形式不同，但二者的物理本质、内在规律，存在着明显的相似性。
Although they both possess different earthed forms, they have obvious similar characteristic in physical essence and inherent law.
研究分析电控发动机转速传感器、喷油器波形变化与发动机起动故障特征的内在联系，从而运用波形分析法快速准确诊断电控发动机的起动困难故障。
The starting failures of electronic-controlled engine can be diagnosed quickly and correctly by analyzing the internal relation between the waveform change and the characteristic of the failures.
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