Researchers are applying the design to semiconductor materials to make solar cells that they hope will save money on materials costs while still offering high power-conversion efficiency.
研究者正把这项设计应用到制造太阳能电池的半导体材料上，这样他们希望在节省材料成本的同时仍可以提供高效率的能量转换。
With global warming an ever increasing issue, most people are looking for ways to improve efficiency and save energy - and therefore reduce power-station emissions of greenhouse gases.
随着全球变暖趋势不断增加，多数人都在寻求提高效率和节约能源——从而减少发电站的温室气体排放。
At one end of the chart were simple efficiency improvements which would both cut CO2 and save money; at the other end were costly technologies like nuclear power and carbon capture.
在图标的一端是一些不仅能减少二氧化碳排放量还能减少预算的简单而高效的改进措施。在另一端，那些措施却用到了花费昂贵的高科技术，如和能源和碳捕获。
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