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全世界人口现已达 60亿 ,占世界人口 80 %的亚非拉国家人口还要增加 ,预测 2 0 50年世界人口将达 1 0 0亿。社会经济和生活水平需不断提高 ,能源需求在节能的基础上还将继续增加。据世界能源委员会与国际应用系统分析研究所对 2 1世纪能源预测 ,全世界一次能源 2 0 50年需要量
The world’s population now stands at 6 billion, and the population of countries in Asia, Africa and Africa, which accounts for 80% of the world’s population, will increase. It is predicted that the world population will reach 10 billion by 2020. Socio-economic and living standards need to be continuously improved, and energy demand will continue to increase on the basis of energy conservation. According to the World Energy Commission and the International Institute for Applied Systems Analysis of the 21st century energy forecast, the world’s primary energy requirements in 2005