Solar photovoltaic (PV) cells, which use solar panels to directly generate energy are popular for individual buildings or small geographic areas, but large scale use is expensive.
使用太阳能面板直接发电的太阳能光伏电池在个别建筑和小型地理区域是受欢迎的，但是大规模的使用是非常昂贵的。
Solar photovoltaic (PV) cells, which use solar panels to directly generate energy are popular for individual buildings or small geographic areas, but large scale use is expensive.
使用太阳能面板直接发电的太阳能光伏电池在个别建筑和小型地理区域是受欢迎的，但是大规模的使用是非常昂贵的。
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