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１ 生物质能高层次利用的重要性生物质能是地球上几乎到处都有的一种洁净的可再生能源，是人类赖以生存的主要能源之一。目前，全世界每年由光合作用生成的生物质，仅有１％左右被作为能源利用，其消耗量占全世界每年总能耗的１４％，仅排在煤炭、石油、天然气之后。我国生物
The Importance of High-Level Utilization of Biomass Biomass energy is a clean renewable energy source almost everywhere on the earth and is one of the main energy sources on which human beings depend. Currently, only about 1% of the biomass generated by photosynthesis in the world is used as energy sources, accounting for 14% of the world’s total annual energy consumption, only behind coal, oil and natural gas. My biological