但有的太阳能利用装置，因为效率偏低，成本较高，总的来说，经济性还不能与常规能源相竞争。
However, some solar energy installations, because the low efficiency, high cost, generally speaking, economics can not compete with conventional energy sources.
该装置的发明人说，在太阳能反应器中利用二氧化铈的特性，是这项技术的主要突破点。
It is this harnessing of ceria's properties in the solar reactor which represents the major breakthrough, say the inventors of the device.
这种装置也许可以用来为电子产品降温、把余热转化为电能，或者是一种利用太阳能的新方法。
The devices may be used to cool electronics, harness solar energy in a new way, and conserve energy by changing waste heat into electric power.
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