Such trackers, however, are expensive to install and run, and are prone to heat the cells up too much, which reduces their efficiency and may damage them.

然而， 太阳跟踪器的安装和运转都很昂贵，并且很容易造成过度加热电池，这足以降低它们的效率，甚至会造成毁损。

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Higher as in 1, 200 degrees Celsius, which would heat air hot enough to run a high efficiency turbine like those used in fossil fuel power plants.

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