Automobile headlamps ensure that the power system safe and efficient work.

确保汽车大灯电源系统安全、高效地工作。

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Reliability problem is a very importance aspect on power system safe system research.

可靠性问题在电力系统安全体系研究中是一个非常重要方面。

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To ensure the power system safe, reliable and economy operation, it requires that temporary overvoltages can be monitor and analysis research.

为了保证电力系统的安全、可靠、经济运行，迫切需要对暂态过电压进行监测与分析研究。

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"Really, the safe thing to do was to tow the vessel back into port rather than re-energize the power system that was damaged by fire, " he said.

CNN: Cruise ship investigation under way