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随着人类社会的发展,人类对能源的需求与日俱增。按照当今世界能源消耗量的增长趋势,地球上蕴藏量有限的煤炭、石油、天然气等常规能源,很快将耗尽。据世界能源会议《1992年能源资源调查》的报道,世界各国煤炭、石油、天然气探明可开采储量,分别还可开采219年、44年和60年。其他能源,除有限的水能资源在继续开发用以发电外,风能、太阳能、海洋能、地热能以及生物质能等新能源一时还难以大规模加以开发利用。
With the development of human society, the human demand for energy is increasing day by day. According to the trend of energy consumption in the world today, conventional energy sources such as coal, oil and natural gas with limited reserves on the earth will soon be depleted. According to the report of the World Energy Conference “1992 Energy Resource Survey,” proven recoverable reserves of coal, oil and natural gas in various countries in the world can be exploited for 219, 44 and 60 years respectively. Other energy sources, except limited water resources, continue to be developed for power generation. However, new energy sources such as wind energy, solar energy, ocean energy, geothermal energy and biomass energy are hard to be exploited on a large scale.