人類“補天”40年 南極臭氧層有望2060年恢復
yw193mon国产在线观看
1985年??(nian)3月?(yue)22日??(ri)??,《保??(bao)護??(hu)臭??(chou)氧?(yang)層?(ceng)維??(wei)也??(ye)納??(na)公??(gong)約??(yue)》(簡?(jian)稱??(cheng)“公??(gong)約??(yue)”)締??(di)結??(jie)??,開??(kai)啟??(qi)了??(le)全??(quan)球??(qiu)性??(xing)的??(de)“補??(bu)天?(tian)”行?(xing)動祝(dong)??。?GOAEGCWFDJqibao666888 1985nian ??(nian)3yue ?(yue)22ri ??(ri)??,《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)??,kai ??(kai)qi ??(qi)le ??(le)quan ??(quan)qiu ??(qiu)xing ??(xing)de ??(de)“bu ??(bu)tian ?(tian)”xing ?(xing)dong 祝(dong)??。?
發(fā)布于:北京市