人類“補(bǔ)天”40年 南極臭氧層有望2060年恢復(fù)
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1985年??(nian)3月??(yue)22日??(ri)秘,《保??(bao)護(hù)??(hu)臭??(chou)氧??(yang)層??(ceng)維??(wei)也??(ye)納??(na)公??(gong)約??(yue)》(簡(jiǎn)??(jian)稱??(cheng)“公??(gong)約??(yue)”)締??(di)結(jié)??(jie)秘,開??(kai)啟??(qi)了??(le)全?(quan)球??(qiu)性??(xing)的??(de)“補(bǔ)??(bu)天??(tian)”行??(xing)動(dòng)??(dong)??。??OBGKOEVWNIqibao666888 1985nian ??(nian)3yue ??(yue)22ri ??(ri)秘,《bao ??(bao)hu ??(hu)chou ??(chou)yang ??(yang)ceng ??(ceng)wei ??(wei)ye ??(ye)na ??(na)gong ??(gong)yue ??(yue)》(jian ??(jian)cheng ??(cheng)“gong ??(gong)yue ??(yue)”)di ??(di)jie ??(jie)秘,kai ??(kai)qi ??(qi)le ??(le)quan ?(quan)qiu ??(qiu)xing ??(xing)de ??(de)“bu ??(bu)tian ??(tian)”xing ??(xing)dong ??(dong)??。??
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