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引言地球上近期技术可以利用的风能量,据估计,仅大陆区域的风能(即岸外风能略去不计)每年就有5×10~(21)焦耳(约等于
Introduction The wind energy that can be used by the recent technology on the earth, it is estimated that only the continental region’s wind energy (that is, the offshore wind energy is omitted) has 5×10 21 joules per year (about equal to