China is on a different voltage system than the USA. The Grand Hyatt offers both voltage systems.

中国的电力系统电压跟美国是不一样的，君悦大酒店里两种电压系统都有。

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High voltage system is used to generate high voltage for Flash Memory when programming and erasing.

高压发生系统用来为闪速存储器在编程和擦除操作时提供高压。

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Insulation resistance is used to describe the isolation performance of high voltage system of electric vehicle.

提出用绝缘电阻描述电动汽车高压电气系统的绝缘性能。

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In a 2004 corporate report Toyota said the key to the improvements was its decision to switch to a high-voltage system.

FORBES: OutFront

Its high-voltage direct current system is delivering electricity to the British Petroleum platform in the middle of the ocean.

FORBES: Magazine Article

That company, Kanto Aircraft Instrument Co. makes a system that monitors voltage, charging and temperature of the lithium-ion batteries.

NPR: US Regulator Asks Boeing For Full Battery History