人類“補(bǔ)天”40年 南極臭氧層有望2060年恢復(fù)
嫩草影院永久久久精品
1985年??(nian)3月??(yue)22日?(ri)??,《保??(bao)護(hù)??(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(jié)??(jie)??,開??(kai)啟??(qi)了??(le)全??(quan)球??(qiu)性??(xing)的??(de)“補(bǔ)??(bu)天?(tian)”行?(xing)動??(dong)??。??FDMNBTEBMGqibao666888 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 ??(dong)??。??
發(fā)布于:北京市