Many generating stations-an abnormally large number of them-are now closed for maintenance despite the desperate need for electricity.
尽管眼下全国对电量的急需，许多发电站还是为了生存而暂时关闭，出现这种情况的发电站还占有异常大的比例。
The electricity it provides is sold to the National Grid and the profits go to the village, once the mortgage and maintenance payments have been made.
它提供的电力出售给国家电网，利润收回后，用于偿还贷款和折旧。
Mazumder and colleagues hope the self cleaning technology could play an important role in increasing the efficiency and reducing maintenance costs of generating electricity from sunlight.
Mazumder和同事希望自我清洁技术可以对提高太阳能发电效率并减少维护费用起重要作用。
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