??????????

????:???????????2021:????????

?????????????????????????????????????????????

????????????????????????1??????6????????? (????? ?)????6?????????,??,??????????????????????????????

???????,???????????????????????????????2050????,????????????????????????2019???,??,????40%?

??????????,???????????????????490????,?7000???(1?????????2.4???)???

?????,?????30%?????????,?????,??

??????????????????????????,??,??(??????) ???:???