In Britain, as in most rich countries, the average efficiency of coal-fired power stations is about 35%.

同大多数富国一样，英国燃煤发电站的平均燃烧效率在35%左右。

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First Solar’s panels have an average efficiency rate of 11-12% as opposed to 14-15% for the silicon ones.

第一太阳能公司的太阳能电池板平均效率为11-12%，而使用晶体硅的太阳能电池板效率为14-15%。

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First Solar's panels have an average efficiency rate of 11-12% as opposed to 14-15% for the silicon ones.

第一太阳能公司的太阳能电池板的平均转换率为11 - 12%，而硅太阳能电池板能达到14 - 15%。

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First Solar was mass producing panels with an average efficiency of nearly 13% by the end of 2012.

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At present, the cells are only 1% efficient, as opposed to an average efficiency of 15% for Typical solar panels.

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That the average efficiency of U.S. vehicles improves to 42 miles per gallon, 68% better than the 25mpg now achieved.

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