今年，美国能源部制定了1亿2200万美元在加利福尼亚建立人工光和联合中心。
This year, the US Department of Energy earmarked $122 million to set up the Joint Center for Artificial Photosynthesis in California.
能源部5月份的一份报告指出，美国到2030年可建立足够多的风力发电场，能够为国家提供20%的电力。
A report from the Department of Energy said in May that America could build enough wind farms to provide 20% of the nation's electricity by 2030.
能源部5月份的一份报告指出，美国到2030年可建立足够多的风力发电场，能够为国家提供20%的电力。
A report from the Department of Energy said in May that America could build enough wind farms to provide 20% of the nation's electricity by 2030.
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