A device with an opening of one square meter can extract about 10 tons of carbon dioxide from the atmosphere each year.
这项设备1平方公尺的开口，每年即可从大气中抽取10吨二氧化碳。
Opening: Extract from the "Allegro" from the Brandenburg Concerto No. 2, BWV 1047.
开场：节选自第一乐章“快板”，选自第二号布兰登堡协奏曲，作品1047。
Opening: Extract from the "Allegro" from the Brandenburg Concerto No. 2, BWV 1047.
开场：节选自第一乐章“快板”，选自第二号布兰登堡协奏曲，作品1047。
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