He found that between these years the carbon dioxide in the atmosphere went up from around 315 parts to around 370 parts
He found that between these years the carbon dioxide in the atmosphere went up from around 315 parts to around 370 parts per million.这里怎么理解二氧化碳在大气中的含量
英语人气:899 ℃时间:2020-05-16 06:33:55
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他发现,在这些年之间,大气中的二氧化碳的含量从大约局部315每百万上升到局部370每百万.
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