叙述了地电观测系统、外线路的维护、仪器故障的判断与排除，以及辅助设备的维护与保养，以此来提高观测资料的质量。
It is introduced the geoelectric system, safeguard of its circuit system, trouble clearing and AIDS protection and in order to improve the observation data.
根据电工培训的实践经验，分析三相异步电动机电气控制线路接线易出现的故障及原因，给出故障排除的方法，并归纳出有针对性和启发性的教学训练方法。
The remove of the control circuit failures of the three-phase asynchronous electric motor is the major and difficult aspect in the training and examination for electrical students.
高压输电线路发生故障时，及时准确地测量出故障位置有利于快速排除故障、恢复供电，对电力系统安全可靠运行有重要意义。
When faults occur in the transmission line, locating the fault accurately and timely is propitious to eliminate the fault and restore power supply.
轨道交通运行过程中发生故障而影响运行时，轨道交通线路运营单位应当组织力量及时排除故障，恢复运行。
When a breakdown occurs in the running course of CRC and affects operation, the CRC line operating unit shall organize forces to fix the breakdown in time and restore operation.
输电线路发生故障时，快速准确地确定故障地点并排除故障，对及时恢复供电，提高供电可靠性具有重要意义。
When there are faults in transmission lines, it is important for timely restoring of power supply and increasing its reliability to determine the fault location quickly and accurately and remove it.
输电线路发生故障时，快速准确地确定故障地点并排除故障，对及时恢复供电，提高供电可靠性具有重要意义。
When there are faults in transmission lines, it is important for timely restoring of power supply and increasing its reliability to determine the fault location quickly and accurately and remove it.
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