In the state of the climate warming up, the environments of human being depraving and conventional energy sources exhausting, all the countries on the world are on focus of clean and green renewable sources for future continuable development stratagem. 在全球气候变暖、人类生态环境恶化、常规能源短缺并造成环境污染的形势下,世界各国都把开发利用可持续的清洁能源作为未来的能源发展战略。