今年年初,我国《科技日报》评选出“1991年世界十大科技成就”,其中第九项为“澳研制出自然光转换率为24.2％的太阳能电池”。这项成就比现有太阳能电池的效率高出40％。澳大利亚获此成就不是偶然的,太阳能电池应用于电话通讯在澳大利亚18年前就开始了。澳大利亚地广人稀,非城市化地区占领土 At the beginning of this year, China’s Science and Technology Daily selected the “Top Ten Scientific and Technological Achievements of the World in 1991”, and the ninth item was “Australia has developed a solar cell with a natural light conversion rate of 24.2%.” This achievement is 40% more efficient than existing solar cells. It is no coincidence that Australia has achieved this success. The application of solar cells in telephone communications began in Australia 18 years ago. Australia is sparsely populated and non-urban areas occupy territories