太阳能──２１世纪人类的重要能源专家们的研究和预测一致认为，ＺＩ世纪人类的主要能源是太阳能。现将有关资料和预测结果分述如下，以飨读者：ｌ·到２０００年·世界电力生产的一半将依靠太阳能（日本经济企划厅和三洋公司研究结果）。２．只需开发非洲部分地区的太阳... Solar Energy - The research and prediction of the 21st century’s major human energy experts agree that the main human energy in the 21st century was solar energy. The relevant information and forecast results are now tabulated below for readers: By the year 2000, half of world electricity production will depend on solar energy (the results of a study by Japan’s Economic Planning Agency and Sanyo). 2. Just develop the sun in parts of Africa ...