principal fault meaning in Chinese

主断层

The single - phase to ground fault is principal fault in those systems . if this fault could n ' t be found and disposed , the multiple - phase to ground fault will be happened and power supply will be interrupted
单相接地故障占此类配电网故障的绝大多数,此类故障如果没有被及时处理,极易形成多相短路而迫使供电中断,影响正常生产。
It is well known that the artificial intelligence ( ai ) technology has been developed remarkably , especially in the expert system and knowledge base engineering , in past twenty years . the principal fault diagnosis expert system on hydraulic control unit has been successfully developed based on the clips language and the visual c + + language in this thesis . the knowledge base and the inference engine in the expert system are programmed by the clips language , and data communication , data processing and man machine interface are programmed by the visual c + + language
本文初步探讨了采用clips语言及visualc + +语言混和编程的方法，来开发液压故障诊断的专家系统，用clips语言来编制专家系统的知识库和推理机；用visualc + +实现专家系统的数据通讯，数据存取和数据实时处理以及人机交互界面部分，并给出了两种语言接口技术的设计。