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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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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This constant voltage system key lies in the control system the design, and switch transistor choice and application.

该稳压系统的关键在于控制系统的设计，及开关晶体管的选择及应用。

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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