By quickly storing and delivering charge, batteries could accommodate fluctuations in supply and demand, and help to incorporate variable sources of power such as wind and solar.

通过快速的存储和高效率的充电模式，电池可以很快的调节供应和需求之间的平衡，同时又可以吸收其他多变的能源，例如风能和太阳能。

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Wind and solar energy are variable by nature: the sun doesn't always shine, and the wind doesn't always blow.

风能和太阳能随大自然而变化：太阳并不是总有光芒，风不是一直在吹。

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An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.

ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。

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Dorothy Thompson, chief executive of Drax, told BBC News that biomass was the ideal fuel to balance variable wind power.

BBC: Biomass may hinder climate fight

Today, however, the dominant wind is reported to have shifted and wind direction is more variable.

UNESCO: Social and Human Sciences

The NGIPS platform is critical for clean energy, especially variable resources like wind power and solar photovoltaics.

FORBES: Microgrids: Ten Clean Technologies Needed to Win the Next Naval War