Photovoltaics is the process of converting sunlight directly into electricity using solar cells.

光伏是用太阳电池将太阳光直接转化为电能的过程。

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Solar street lamps installed in parks, sidewalks and blocks are generally of a capacity of 20 watts, using solar cells of 70-80 watts.

对于安装在公园、便道、街区的太阳能路灯功率一般在20瓦左右，采用70-80瓦太阳电池；

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At a news conference this week, MIT researchers showed off the prototypes of their paper thin solar cells by using them to power a small LED display.

在本周召开的新闻会议上，麻省理工的研究人员使用他们制作的纸薄太阳能电池雏形展示了如何给LED显示屏供能。

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Solar cells,or photovoltaics, are widely made using wafers of silicon that are stiff and brittle.

VOA: standard.2010.02.19

Even with the ability to convert sunlight into electricity with high efficiency using photovoltaic solar cells, many challenges prevent us from being able to power all our energy needs with solar panels.

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The company is now using the technology to make multicrystalline silicon solar cells, and HiPerforma is the first product using the new silicon cells, Beebe said.

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Using energy to make solar cells is, accordingly, speculative, not a long term means of reducing consumption of non-renewable fuels.

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