Scientists have known how to harness the limitless power of the sun.

科学家们已知道如何无穷尽太阳能。

How to improve the heat conversion efficiency of helioplant?This has become an important topic of the utilization of solar energy in the world now.

因而，如何高效提高太阳能装转换效率，也成了当今世太阳能一大课题。